形容词

及物动词

名词

1. 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.

2. 弧形;弧形运动
An arch is a curved line or movement.

3. 足弓;足背
The arch of your foot is the curved section at the bottom in the middle.

4. 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.

5. （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.

6. 拱起；成弓形；呈弧形运动
If something arches in a particular direction, it makes a curved line or movement.

7. 神秘的；淘气的；调皮的
An arch look is mysterious and mischievous.

1. (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it

2. a passageway under a curved masonry construction

e.g. they built a triumphal arch to memorialize their victory

Synonym: archway

3. a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)

4. a curved shape in the vertical plane that spans an opening