Prepump
前级泵, 预抽泵
🗣️ 情景例句
I see. May I have your driver's license?
我明白了，请拿出你的驾驶执照好吗？
That's a conservative point of view.
那是个保守的观点。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。