Helicoidal pump
[化] 螺旋泵
🧩 词语组成解析
n. 螺旋面
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
You didn't finish it.
你没有吃完它。
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
After working hard during the day I like to relax in the evening.
白天干了一天，晚上我要放松一下。