英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

drawbridge    音标拼音: [dr'ɔbr,ɪdʒ]
n. 可开闭的吊桥

可开闭的吊桥

drawbridge
n 1: a bridge that can be raised to block passage or to allow
boats or ships to pass beneath it [synonym: {drawbridge}, {lift
bridge}]

Drawbridge \Draw"bridge`\, n.
A bridge of which either the whole or a part is made to be
raised up, let down, or drawn or turned aside, to admit or
hinder communication at pleasure, as before the gate of a
town or castle, or over a navigable river or canal.
[1913 Webster]

Note: The movable portion, or draw, is called, specifically,
a bascule, balance, or lifting bridge, a turning,
swivel, or swing bridge, or a rolling bridge, according
as it turns on a hinge vertically, or on a pivot
horizontally, or is pushed on rollers.
[1913 Webster]

81 Moby Thesaurus words for "drawbridge":
Bifrost, abatis, advanced work, balistraria, bank, banquette,
barbed-wire entanglement, barbican, barricade, barrier, bartizan,
bascule bridge, bastion, bateau bridge, battlement, breastwork,
bridge, bulwark, cantilever bridge, casemate, catwalk,
cheval-de-frise, circumvallation, contravallation, counterscarp,
curtain, demibastion, dike, earthwork, enclosure, entanglement,
escarp, escarpment, fence, fieldwork, floating bridge, flyover,
footbridge, fortalice, fortification, gangboard, gangplank,
gangway, glacis, lift bridge, loophole, lunette, machicolation,
mantelet, merlon, mound, outwork, overbridge, overcrossing,
overpass, palisade, parados, parapet, pontoon bridge, portcullis,
postern gate, rampart, ravelin, redan, redoubt, rope bridge,
sally port, scarp, sconce, span, stepping-stone, stepstone,
stockade, suspension bridge, swing bridge, tenaille, toll bridge,
vallation, vallum, viaduct, work


请选择你想看的字典辞典：
单词字典翻译
drawbridge查看　drawbridge　在百度字典中的解释百度英翻中〔查看〕
drawbridge查看　drawbridge　在Google字典中的解释Google英翻中〔查看〕
drawbridge查看　drawbridge　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • How were drawbridges and portcullises used tactically?
    The drawbridge is a routine, minimal, defense (drawn up nightly for example) intended against attack mainly to provide time to lower the inner portcullis The fortification is the headquarters of the defender's territory, such as a capital city; and or It's seen as a status symbol: "Look! a drawbridge! Aren't I just the coolest Baron, with the
  • High Quality SOLUTION A uniform drawbridge must be held at a 37 . . . - Chegg
    A uniform drawbridge must be held at a 3 7 ∘ angle above the horizontal to allow ships to pass underneath The drawbridge weighs 4 5, 0 0 0 N and is 1 4 0 m long A cable is connected 3 5 m from the hinge where the bridge pivots (measured along the bridge) and pulls horizontally on the bridge to hold it in place
  • Where is (or was) the biggest medieval drawbridge?
    The south east drawbridge is of oak, with timbers 2 9m wide and 203mm thick The north east one is similar but a little narrower They are raised every night and lowered every morning, just as they have been since 1510 So the drawbridge only reaches out 2 75m(9ft) although the moat was 18m(~60ft) wide
  • Solved Suppose the weight of the drawbridge in the figure is - Chegg
    Question: Suppose the weight of the drawbridge in the figure is supported entirely by its hinges and the opposite shore, so that its cables are slack The mass of the bridge is 2500 kg What percent of the weight is supported by the opposite shore if the point of support is at the very end of the drawbridge?
  • Solved I am so confused on this Sir Lost-a-Lot dons his - Chegg
    Sir Lost-a-Lot dons his armor and sets out from the castle on his trusty steed (see figure below) Usually, the drawbridge is lowered to a horizontal position so that the end of the bridge rests on the stone ledge Unfortunately, Lost-a-Lot's squire didn't lower the drawbridge far enough and stopped it at 𝜃 = 20 0° above the horizontal
  • Solved Suppose the weight of the drawbridge in the figure - Chegg
    Question: Suppose the weight of the drawbridge in the figure below is supported entirely by its hinges and the opposite shore, so that its cables are slack (b) What is the magnitude in newtons and direction of the force the hinges exert on the bridge under these circumstances? The mass of the bridge is 2,625 kg
  • Solved 1 -12. 0 m Sir Lancelot rides slowly out of the castle - Chegg
    1 -12 0 m Sir Lancelot rides slowly out of the castle at Camelot and onto the 12 0-m-long drawbridge that passes over the moat (Fig P11 46) Unbeknownst to him, his enemies have partially severed the vertical cable holding up the front end of the bridge so that it will break under a tension of 5 80* 103 N
  • Solved Problem 6: Suppose the weight of the drawhridge in - Chegg
    Question: Problem 6: Suppose the weight of the drawhridge in the figure is supported entirely by its hinges and the opposite shore, so that its cables are slack The mass of the bridge is 2500 kg Part (a) What percent of the weight is supported by the opposite shore if the point of support is at the very end of the drawbridge?
  • Solved Problem 4 In ancient times drawbridges were commonly - Chegg
    Question: Problem 4 In ancient times drawbridges were commonly used at the entrance of a castle Drawbridges were usually kept raised only about half way This cut down on the time needed to lower the bridge to let commerce in or raise it to prevent attack In the diagram below a 12m drawbridge, Mbridge = 2100kg, is raised to a 40° angle
  • Solved Lets say we are in a castle where the only entrance - Chegg
    Design a logic circuit that models the following behavior of the bridge with relation to the two levers If the inner lever is pulled, the drawbridge should be down If both the inner and outer levers are pulled, the drawbridge should be down Any other combination of states of the levers should keep the drawbridge up





中文字典-英文字典  2005-2009