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
Please check to be sure you have your belongings.
请记得带您的行李。
To carry a tray of food
用盘子端食物
the famous Calabrian macaroni-eating competition! Signor Fratelli, the present champion, has won it every year since 1991.
著名的克拉布利亚人吃通心粉大赛！目前的冠军弗拉特里先生，自1991年以来，年年获胜。