Allowable pressure drop

allowable [ə'lauəbəl]

adj. 允许的，正当的，可承认的;许用;

pressure ['prɛʃɚ]

n. 压（力）;压力;气压（或血压）（的缩略形式）;压（迫）感; vi. 施加压力;迫使;使（机舱等）增压;

press挤压+ure名词后缀，表行为、状态 →压力

drop [drɑp]

vt.& vi. （使）落下;投下;（使）降低;减少; vt. 放弃;停止;（故意）降下;垂下（眼睛）; n. 滴;空投;降落;少量; vi. （水或其他液体）滴;结束;（因受伤或死等）倒下;退出;

She is dying to go abroad.

她渴望出国。

What shall I send him for his birthday?

我要送他什么东西作为生日礼物？

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。