It uses Google's Android mobile operating system and is meant to work easily with Google's Web-based services.

VOA: special.2010.01.26

The cells that take an electrical signal, which is coming down your nerve and convert it into a muscle contraction work this way, so 'neuro' nerve, muscle junctions act based on ligand-gated ion channels.

依靠相同的工作原理,细胞将来自于神经的,电信号传递到细胞收缩肌中,所以神经和肌肉关节运动,都基于配体门控离子通道

耶鲁公开课 - 生物医学工程探索课程节选

The faculty members who were teaching his classes that semester then all faced the question posed to them by the administration, based on the work he's done so far this semester, ? has he--what kind of grade are you prepared to give him?

那个学期给他上课的老师们,都面临这个由学校,摆在他们面前的问题，基于他这个学期至今的表现，他能否，你们打算给他什么样的分数？

耶鲁公开课 - 死亡课程节选

They face harrassment at almost every level," The New York-based Committee to Protect Journalists ranks Russia as the third most dangerous country to work.

VOA: standard.2009.11.02