Gaede molecular pump
[机] 盖德分子泵
🧩 词语组成解析
[人名] 盖德
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
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
They had to cut down a lot of trees to make room for farms.
他们为了为农场增加空间不得不砍倒很多树。
No, I haven't.
不，没有。