arches

1. [C]拱,拱门 top or two supports, e.g. under a bridge or a church roof or above a door or window
2. [C]拱形物 sth with this shape

1. vt. & vi. (使)弯成拱形 (cause to) form into an arch

1. (指神情、声调等)调皮的,淘气的 an arch look, tone of voice, etc. deliberately shows amusement because the person knows more than other people or more than they pretend about a situation

• memorial arch纪念牌坊

• arch bridge拱桥
• arch dam拱坝
• arch roof拱形屋顶

• blue arch of the sky苍穹

• arch one's eyebrows拱起眉毛
• arch the back拱起背

• arch expression调皮的笑容
• arch gesture调皮的手势或姿势
• arch look鬼脸
• arch smile淘气的笑容
• arch tone淘气的语调

arch bridge拱形桥

arch dam拱坝，拱形坝

aortic arch主动脉弓；织脉弓

arch rib拱肋

stone arch石拱

vertebral arch椎弓；椎体

arch support足弓垫；护弓具；拱形支架

zygomatic arch颧弓

triumphal arch n. 凯旋门

arch crown拱顶

arch truss拱形桁架

marble arch大理石拱门（有名的伦敦标志）

round arch半圆拱

pointed arch尖拱；尖券

memorial arch牌坊

circular arch圆拱

arch over拱悬于之上；把拱盖起来

pedicle of vertebral arch椎弓根

arch axis拱形轴

gothic arch哥特式尖拱

1. Dip your head under the low arch.
   在低矮的门拱下要低头。
2. A pointed arch drawn from two centers within the span.
   在跨度内有两个中心点，连接两个中心点的是弧度突出的拱。
3. Have you been to the Triumphal Arch?
   你去过凯旋门吗？
4. The bridge has three arches.
   这座桥有三座拱洞。
5. Marble Arch is a famous London landmark.
   大理石拱门是著名的伦敦标志。

1. The cat arched its back when it saw the dog.
   那猫看见狗时就拱起了背。
2. "(actors, singers, etc.) perform for outside salary income without approval by the unit they belong to"
   走穴

1. They considered him their arch opponent.
   他们将他看成是主要对手。
2. Pepsi and Coke have been arch rivals for a long time.
   百事和可口可乐长期以来都是主要的对手。
3. Yuan Shikai was an arch usurper of state power.
   袁世凯是一个窃国大盗。
4. Blanche's grey eyes gazed at Foker with an arch twinkle.
   布兰茜那对灰色眼睛滴溜溜的，露出调皮的闪光，瞧着福克。