• Engineers,inventors, students and others come together to design and test different methods and materials for improving stoves.

    VOA: special.2010.02.01

  • All right. So we've got it now let's test it. So we're going to do here we're going to run compare methods.

    很抱歉,那些坐在后面的同学,想往前面来的请自便,我们已经做好准备,让我们去试一下,我们接下来将要做的就是。

    麻省理工公开课 - 计算机科学及编程导论课程节选

  • The W.H.O.announced ten projects to test non-chemical methods for fighting mosquitoes.

    VOA: special.2009.05.26

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