Definition: a line on the surface of something that is damaged Level: C2
这个杯子上有一条裂缝。
One cup had a ___crack in it.
这套茶具中的一个杯子有一条裂缝。
One of the cups in the set had a ___crack.
暴风雨后，窗户上出现了一条小裂缝。
A small ___crack appeared on the window after the storm.
