These students are taking part in experiments designed to test their knowledge and inspire them to concentrate on science,technology, engineering and math.

VOA: standard.2010.05.10

Hemoglobin, as you know, is an oxygen carrier and so red blood cells concentrate in bags of hemoglobin which circulate in your blood and they carry oxygen.

众所周知,血红蛋白可以携带氧气,含有大量血红蛋白的红细胞,在全身循环,以携带氧气

耶鲁公开课 - 生物医学工程探索课程节选

I said this course will concentrate on the meaning of these texts in their early historical context.

我说过这门课着重于,这些文本在其早期历史脉络中的意义。

耶鲁公开课 - 新约课程节选

But I'm going to concentrate,in this course, on the meaning of these texts in their earliest context.

但在课堂上我只会着重讨论，这些文本在其早期历史中的意义。

耶鲁公开课 - 新约课程节选