The blisters were deliberately inflicted on the test subjects by using a vacuum pump on the arm.

这些水泡是用真空泵特意“种”在实验参与者的胳膊上的。

youdao

She brought her breast pump on the airplane every time, but never broached the subject with her colleagues.

她每次都会带着吸奶器坐飞机，但却从未跟同事提到自己的情况。

youdao

Everyone is trying to devalue their currencies because that makes the debt easier to service and that primes the pump on price.

大家都在尽量让他们的货币贬值，因为这样可以减轻债务利息的负担，并且推动价格的上升。

youdao

The treadle pump is based on a design developed in the nineteen seventies by Norwegian engineer Gunnar Barnes.

VOA: special.2009.08.17

So then to encourage you to "Pump up your room" they had music playing and this is the kind of music that they had on that flatbed truck.

然后还鼓动你去"律动你的房间",他们还放着音乐,这就是他们在那辆卡车上播放的音乐类型

耶鲁公开课 - 聆听音乐课程节选

How many hours a day the pump needs to be operated depends on the season and how much water is needed for crops.

VOA: special.2009.08.17

The on-pump technique puts pressure on these organs, but the new technique avoids it.

BBC: New surgery offers by-pass hope

Flight controllers tried to restart the disabled ammonia pump early on Sunday but the circuit breaker tripped again.

BBC: Cooling system fault hits International Space Station

Personnel at Alyeska Pump Station 1 discovered oil leaking into the station's booster-pump building on Saturday morning at 8:15, according to Michelle Egan, a spokeswoman for Alyeska.

WSJ: BP to Cut Oil Production on Alaska's North Slope