arched

动词 arch:

1. form an arch or curve
   同义词：arch, curve, arc

形容词 arched:

1. constructed with or in the form of an arch or arches
2. forming or resembling an arch
   同义词：arced, arching, arciform, arcuate, bowed

1. The cat arched its back when it saw the dog.
   那猫看见狗时就拱起了背。
2. The cat arched its back in anger.
   那只猫气得拱起了腰。
3. A triangular, usually ornamental architectural section, as one above an arched door or window.
   三角形饰物如拱门或窗户上方的三角形装饰性的建筑部分
4. The condition of having an arched surface.
   翘曲表面弯曲的这种状况
5. An arched structure erected over the deck of a ship as protection from heavy seas.
   龟背甲板船的甲板上拱形的结构，可保护船在狂暴的海上航行
6. Tall trees arched across the river.
   高大的树木成拱形横跨过那条河。

arched

adj.（形容词）
Forming an arch or a curve like that of an arch.
拱形结构的：形成拱或类似于拱的曲线
Provided, made, or covered with an arch.
提供、制作拱状物或用拱状物覆盖的