I knew the sound well. Many a night,late at night, when all the world slept, it has welled up from deep within my own chest.

VOA: special.2009.05.16

All cell membranes have these channels within them, and under their resting conditions sodium is moving from outside to inside, potassium's moving from inside to outside.

所有细胞膜上都有这种通道结构,在静息状态下,钠从细胞外流向细胞内,钾从细胞内流向细胞外

耶鲁公开课 - 生物医学工程探索课程节选

Aristotle takes his stand from within politics and the regime of which he is a part. Of course we all know contemporary political scientists are not neutral. They frequently insert their views values we call them value judgments we call them.

亚里士多德的立场却是置身于,政治与政体之内,让自己成为其中的一部份，当然,我们都知道当今的政治科学,并非如此中立，他们常硬加入,他们自身的观点与价值，他们的价值判断。

耶鲁公开课 - 政治哲学导论课程节选

but to make their own. The primary or fundamental movements of the new school of the dance must have within them the seeds from which will evolve all other movements, each in turn to give birth to others in an unending sequence of still higher and greater expression,thoughts,and ideas.

VOA: special.2010.08.29

There's no big city within 200 km, but tourists from all over the world manage to find it.

VOA: standard.2010.03.29