Plunger
[ ['plʌndʒə] ]
成人 Adult Edu
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
✅ 同义词
📖 牛津释义
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
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Thank you but this is something I have to do on my own.
但有些事情我必须自己做主。
that given a planet only approximately like our own, life is almost certain to start.
如果设想有一颗行星和我们地球的情况基本相似，那几乎肯定会产生生命。