He never could hold down a job.他从来都保不住自己的工作。Despite her handicap, Jane is able to hold down a full-time job.简尽管有生理缺陷，却能够保住一份全职工作。We must hold down the tents because of the strong wind.风很大,我们必须把帐篷固定好....
他手触额发假装尊敬。He touched his forelock in mock deference.可是他已经宣布,只要她把额发弄成刘海,他就要把她的头发全剃光.But he had declared that he would shave her whole head if she banged her forelocks....
In other cases, such as inventories, inputs and outputs are both continuous.在另一些情况下, 比如存货, 其投入和产出都是持续不断的.In the real world, the relation between inputsand outputs exhibits wide variety.在现实世界中, 投入产出间关系表现出多种变化.Care must be...
I was a chatterbox at school.上学那会儿，我是个话痨。In its default configuration, NAB is a real chatterbox.在默认设定下, NAB真是喋喋不休.Listening can be more valuable than chatterbox.与其唠唠叨叨,不如多倾听....
Food breathed into the windpipe can cause choking.吸进气管的食物会造成窒息.One end of the windpipe is connected with a unidirectional inflating valve.气管的一端与单向充气阀连接.A tube was introduced into the patient's windpipe.一根试管插入了病人的气管....