Fore vacuum pump
[化] 前级真空泵
🧩 词语组成解析
fore
[fɔ:; fɔə]
adj. 在前部的;以前的;
adv. 在前头，朝前头;在前面;
n. 前部;船头;
prep. 在…前;
int. （打高尔夫球者的叫声）让开！;
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
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。