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
that's because you're so much like us--wonderful!
那是因为你太像我们了， 太好了！
I said, Do you need any help?
我是说:你需要帮忙吗？"
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。