Evacuation pump
[化] 排气泵
🧩 词语组成解析
evacuation
[iˌvækju'eiʃən]
n. 撤空;撤离;撤退;疏散;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
What are you interested in studying?
你对攻读什么感兴趣？
I'm planning to start a school, so I'm trying to save as much money as possible.
我计划开办一所学校，因此我在设法尽可能地多攒钱。