1.hundreds of thousands of 成千上萬的

例句:Hundreds of thousands of people packed into the mosque.
幾十萬人擠進了那座清真寺。

2.illegal channel 非法渠道

例句:Some domestic enterprises produce and sell chemicals without authorization, making chemicals convert into illegal channels.
國內(nèi)個別企業(yè)擅自違規(guī)生產(chǎn)、經(jīng)銷，致使化學品流入非法渠道。

3.drive up 抬高；迫使...上升

例句:It could help prevent some accidents, it could also drive up the cost of a car.
它可能會防止一些事故，它也可能會提高汽車的成本。

4.depends on 取決于

例句:The development of the food industry depends on that of agriculture.
食品工業(yè)的發(fā)展有賴于農(nóng)業(yè)的發(fā)展。