tick tack
短语词形变化
tick tacks
复数
释义与例句
n.
-
1.
The sound of repeated tapping, knocking, or clicking.
可数 不可数 -
2.
A device used to tap on a window or door from a distance.
可数 不可数 -
3.
Alternative form of tic-tac, a sign language used by bookmakers.
英国 不可数 可数