短语词组用作名词 (n.)形容词+～memorial arch 纪念牌坊～+名词arch bridge 拱桥arch dam 拱坝arch roof 拱形屋顶～+介词blue arch of the sky 苍穹用作动词 (v.)arch one 's eyebrows 拱起眉毛arch the back 拱起背用作形容词 (adj.)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 淘气的语调短语 返回 arches