Vane-type vacuum pump
[化] 叶片式真空泵
🧩 词语组成解析
n. 风向标, 风信旗, 变化不定的事物\\n[机] 轮叶, 叶
type
[taɪp]
n. 类型;铅字;（印刷或打印的）文字;于…类型的;
vt.& vi. 打字;
vt. [医学]测定（血型）;按类型把…归类;成为…的典型;[印刷]浇铸（铅字等）;
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
Say, don't I know you from somewhere?
我是不是在哪里见过你？
During the two years since I took charge of the department.
在我负责这个部门的两年中。
Nothing much. Only some school work. Why?
没什么事。只有一些作业。什么事？