- arch
 - [ɑ:tʃ]
 - n. 弓形,拱形;拱门
adj. 主要的
vt. 使…弯成弓形;用拱连接
vi. 拱起;成为弓形 
同义词
           - v. arc,curve
 - n. archway
 - a. condescending,patronising,patronizing
 
参考例子
           - 1.elms arching over the road
 - 在道路上方弯成弓形的榆树
 
- 2.The trees arch over the river.
 - 树的枝叶成弓形遮覆河上。
 
- 3.Under the arch of one bridge.
 - 从任何一座桥的桥洞呢。
 
英文解释
           - n.
 - 1.a curved shape in the vertical plane that spans an opening
 - 2.a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
 - 3.a passageway under a curved masonry construction
 - 4.(architecture) a masonry construction (usually curved) for spanning an opening and supporting the we
 
- v.
 - 1.form an arch or curve
 - 2.(used of behavior or attitude) characteristic of those who treat others with condescension
 - 3.expert in skulduggery
 
网络释义
               - arch
 - 足弓; 传高球; 拱门; 弓形;
 
- arch truss
 - 拱形桁架; 拱式桁架; 弓形桁架;
 
- costal arch
 - 肋弓; 释义:肋(骨)弓;
 
- dental arch
 - 牙弓; 释义:牙弓,牙齿弓; 牙弓,齿弓; 齿弓;
 
- bridge arch
 - 桥拱; 船尾拱架; 尾框顶拱; 尾框顶部)船体)尾框顶部;