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
It probably means he's clearing his throat.
也许表示他正在清喉咙。
Great barkers are no biters.
吠犬不咬。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。