arch
noun
verb
adj
ɑːtʃ noun
1 a structure with a curved top and straight sides that supports the weight of a bridge or building 拱〔支撑桥梁或建筑的弧形结构〕
2 a curved structure above a door, window etc 〔门、窗等上的〕拱
3 a curved structure of bones in the middle of your foot 足弓,足背
4 something with a curved top and straight sides 弓状物; 拱形物
verb
5 to form or make something form a curved shape (使)拱起,(使)成拱形
Two rows of trees arched over the driveway.
车道两旁的树木在上方形成一个拱顶。
The dog arched its back .
那条狗拱起了背。
adj
6 amused because you think you understand something better than other people 淘气的,调皮的
‘I think he’s in for a surprise,’ Ian said, in a somewhat arch tone.
“我想他很快就会感到惊讶的。”伊恩用带点调皮的口气说道。