Reserv(ed) pump
[化] 备用泵
🧩 词语组成解析
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
Thank you, Grandpa.
谢谢你， 爷爷。
The waiter seems to be in a hurry to take our order.
侍者似乎匆匆忙忙拿我们的订单。
chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。