Allow students to experience before 让以前有经验的同学去
What else will you allow before you take action?
在你们采取行动之前还要忍受下去?
Allow one hour before bedtime for a relaxing activity. Watching the news or answering e-mails does not count!
就寝前一个小时允许做些轻松的活动,看新闻或者回复电子邮件并不指望。
But before I get to it, allow me to explain.
但是在此之前,请允许我解释一下。
Secretary Gates says President Obama has pledged to give all the time necessary to allow the commanders to make their case, before he decides.
VOA: standard.2009.10.06
There's a local change in the membrane, that local change involves opening of channels that allow ions to pass through regions where they couldn't pass through before, that results in a change in voltage.
膜上会发生局部变化,局部变化包括离子通道开启,使离子通过,先前不能通过的区域,从而引起电压的变化
Mr.Obama says there is an urgent need to pass the reform legislation before Congress, to allow small businesses to expand and put people to work.
VOA: standard.2009.10.03
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