Sliding-vane vacuum pump
[化] 滑板式真空泵
🧩 词语组成解析
a. 滑行的, 变化的\\n[机] 滑动
n. 风向标, 风信旗, 变化不定的事物\\n[机] 轮叶, 叶
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
Look here! I've had enough of that!
嘿，我已经受够了。
A woman's work is never at an end.
妇女的活计做不完。
In the back row.
教室后排。