clapper
n
1 piece of metal, etc fixed loosely inside a bell and making it sound by striking the side (钟铃的)击锤; 钟舌; 铃舌. =>illus at bell 见bell之插图.
2 (idm 习语) like the `clappers (Brit infml 口) very fast or hard; vigorously 很快; 很用力; 强有力地
go, run, work, etc like the clappers 一个劲儿地走、 跑、 工作等.
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
I haven't seen you for ages.
好久没见了。
The world had to wait almost another 100 years for the Channel Tunnel.