plunger
n
1 part of a mechanism that moves up and down 柱塞; 活塞.
2 (in plumbing) rubber cup fixed on a handle, used for clearing a blocked pipe by means of suction (疏通管道的)搋子.
🏥 医学释义
活塞,柱塞
🗣️ 情景例句
The welcome sign over the door.
门上的欢迎标语。
Suzanne likes the feel of the dough as she makes bread.