Mismanagement and climate change are shrinking clean water supplies worldwide.管理不善(mismanagement)和气候变化正在逐步削弱全球干净水资源的供应.Since earliness is not an issue, nor is summer rainfall, his only concern is clean fruit.因为提早成熟和夏季雨水不...
They were more concerned about the dogs' welfare than a clean getaway.他们更加关心那些狗的安危，而非自己如何干净利落地脱身。If you kept your nose clean, you had a job for life.如果你规规矩矩，就可以一辈子都捧着这个饭碗。He rubbed and rubbed but couldn't seem ...
他拼命地闪身躲开一辆试图撞倒他的疾驰的汽车。He desperately dodged a speeding car trying to run him down.人群试图撞倒警察局的大门。The crowd tried to smash down the door of the police station.他被一辆公共汽车撞倒，一条腿折了。He was knocked over by a bus and broke his leg....
Mass flow information can be secured by using a densitometer.质量流量的数据可借助于密度计而获得.The zero point of the density scale is defined by having no specimen in the densitometer.定义密度计内设有样品时的密度为密度尺标的零点.Densitometer is an apparatus ...