arching
/ɑːrtʃ/
动词
（使）拱起；（使）成拱形
Trees arch over the river.
两岸的树木在河面上交织成拱形。
/ɑːrtʃ/
名词
拱；拱形结构；拱门（或窗、顶、洞等）
Passing through the arch, you enter an open courtyard.
穿过拱门，你就到了天井中。
（常用作装饰的）拱形，拱形物
The boat floated through the arch of the trees towards the bridge.
小船穿过两岸的树木向小桥漂去。
足弓，足背
She has very high arches.
她足弓很高。
/ɑːrtʃ/
前缀
主要的；最重要的
an archduke
大公
极度的；为首的；（尤指）极恶劣的
his arch-enemy
他的死敌
/ɑːrtʃ/
形容词
淘气的；调皮的
an arch tone of voice
调皮的口吻