pump造句
They find it difficult to
pump themselves up for the games.
他们感到要为自己加油打气，自信满满地去打比赛并不容易。
Age diminishes the heart's ability to
pump harder and faster under exertion.
随着年龄的增加，人在消耗体力时心脏的输血能力和输血速度会有所减弱。
He ran in every five minutes to
pump me about the case.
他每隔五分钟就跑来追问我这件事。