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
My father sends his regards to you.
我父亲向你问好。
How do I call this number?
这个号码怎么打?
One does not have to go outside for amusement, since the collection is housed at home.