arch是什么意思？

arch

英[ɑ:tʃ] 美[ɑrtʃ]

• n. 弓形，拱门，拱形物，足弓，齿弓；
• vt. （使）弯成拱形，用拱连接，向后弯；
• vi. 拱起，成为弓形；
• adj. 主要的，首要的，调皮的，淘气的；

复数：arches;

第三人称单数：arches;

过去式：arched;

过去分词：arched;

现在分词：arching;

副词：archly;

例句

• This huge triumphal arch was erected at the beginning of this century. 这座巨大的凯旋门是本世纪初建造的。
• arch viaduct 架谷拱桥
• There was an inscription in Chinese characters over the arch. 牌楼上有汉字题字。
• Dip your head under the low arch. 在低矮的门拱下要低头。
• We whomped our arch rival in the season’s climactic football game. 我们在该季最精彩足球赛中打败了我们主要的对手。
• The trees arch overhead. 树木在头顶上弯成拱形。
• Its opposite ring Shihfang for a four - poster three wooden arch. 其对面的戒石坊为一座四柱三顶的木制牌坊.
• Overturning and sliding are seldom a factor in the design of arch dam. 拱坝设计中很少考虑倾覆和滑动的问题.
• Vertical elements carry sufficient load through cantilever action to produce cantilever deflections equal to arch deflections. 垂直杆件则借悬臂作用产生和拱挠度相等的悬臂挠度,来承担足够的荷载.
• Objective : To evaluate the effectiveness of segmental arch technique in fixing replanted traumatically avulsed permanent teeth. 目的: 评价正畸片段弓技术应用于固定外伤脱位再植牙的效果.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  拱;拱门;拱形结构
  An arch is a structure that is curved at the top and is supported on either side by a pillar, post, or wall.
• N-COUNT
  弧形;弧形运动
  An arch is a curved line or movement.
• N-COUNT
  足弓;足背
  The arch of your foot is the curved section at the bottom in the middle.
• V-ERG
  弓着,佝着（背）等
  If you arch a part of your body such as your back or if it arches, you bend it so that it forms a curve.
  例句
  Don't arch your back, keep your spine straight. 别佝着背，把腰挺直。
• V-ERG
  （表示惊奇或不赞同）扬起（眉毛）
  If you arch your eyebrows or if they arch, you move them upwards as a way of showing surprise or disapproval.
  例句
  'Oh really?' he said, arching an eyebrow. “哦，真的吗？”他扬起一边的眉毛说。
• VERB
  拱起；成弓形；呈弧形运动
  If something arches in a particular direction, it makes a curved line or movement.
  例句
  I gazed up at the domed ceiling arching overhead. 我抬头凝望着上方弧形的穹顶。
• ADJ-GRADED
  神秘的；淘气的；调皮的
  An arch look is mysterious and mischievous.
  例句
  Both of them looked at him with that curious, slightly amused and even arch expression. 他们俩都看着他，带着一副好奇的、有点觉得好笑甚至是淘气的表情。
• ADJ-GRADED
  傲慢自大的
  If you say that someone is arch, you are criticizing them for talking or behaving as if they are better or more important than other people.
  例句
  Their attempts to be casual have so far just looked arch or patronising. 他们本想做出漫不经心的样子，结果反而显得傲慢自大或自视甚高。

英汉词典释义

• n.
  拱, 拱门
  Arches are built of wood, stone, brick or any other building material. 拱门是用木料、石块、砖头或其他建筑材料建成的。
  拱形物
  The bridge has seven arches. 这座桥有七个拱洞。
• vt. & vi.
  (使)弯成拱形
  The trees arch overhead. 树木在头顶上弯成拱形。 The cat arched her back when she saw the dog. 猫看见那只狗时拱起了背。

英英词典释义

• Noun
  1. a curved shape in the vertical plane that spans an opening
  2. a curved bony structure supporting or enclosing organs (especially arches of the feet)
  3. a passageway under an arch
  4. (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
• Verb
  1. form an arch or curve;
  "her back arches""her hips curve nicely"
• Adjective
  1. (of persons) highest in rank or authority or office;
  "his arch rival"
  2. (used of behavior or attitude) characteristic of those who treat others with condescension
  3. expert in skulduggery;
  "an arch criminal"

行业词典

• 体育： 弯度；
  公路科技： 拱；
  力学： 拱；
  医学： 弓：曲线形或弧形的结构。另见arcus；
  土木工程： 拱；
  水利： 拱，主要承受轴向压力并由两端推力维持平衡的曲线或折线形构件。；
  煤炭： 拱碹；用砖、石、混凝土或钢筋混凝土等建筑材料构筑的整体式弧形支架。；
  电工： 炉拱；
  药学： 弓形纹；
  铁道： ［隧道］拱圈；