"That's where the majority of the lobsters are, they're in the deep water." "That's where the channels are, so you gotta compete with the ships.

VOA: standard.2010.07.20

So, that is just a quick example for some of you, you might be very familiar with ion channels, others might not know what these are, so I'll just tell you quite briefly that ion channels are these very massive transmembrane proteins.

这对你们中的某些人来说仅仅是个小例子，有些人可能已经非常熟悉离子通道这个概念了，但有些人可能还不清楚，那么就让我来简单地介绍一下离子通道,就是这些巨大的跨膜蛋白。

麻省理工公开课 - 化学原理课程节选

"So this could be, certainly it was heralded at the time of the Geneva meeting, as a breakthrough in terms of opening channels more widely with the Iranians."

VOA: standard.2009.10.19

"What we found was with one protein that we delivered in the micro-channels in the scaffolds, that was sufficient to regenerate the entire joint surface with cartilage and with bone and with blood vessels."

VOA: standard.2010.08.11

The multi-lateral route is the way to go." Unlike Spain and several other concerned countries, the United States has not recalled its ambassador from Tegucigalpa, stressing the need to keep channels of communication open with the Honduran people.

VOA: standard.2009.07.01