First, a channel, or path, is formed that connects the cloud and the ground.

首先，会形成一个通道或一条路径，将云层和地面连接起来。

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The campaign provided a channel for protest against the war.

这场运动是反对战争的一种方式。

《牛津词典》

The Food Network is a cable channel that began in nineteen ninety-three.

VOA: special.2010.12.27

It can exist in - a gated ion channel - can exist in one or two states.

它们能够存在于,门控离子通道有一种或者两种状态

耶鲁公开课 - 生物医学工程探索课程节选

The one that's on the top here is called ligand-gated ion channel and an ion channel is a protein that sits in the surface of a cell.

最上面的这个叫作配体门控离子通道,离子通道是一类位于细胞表面的蛋白

耶鲁公开课 - 生物医学工程探索课程节选

Can we have a multi-channel or a cross-channel experience with these retailers?

FORBES: Move up http://i.forbesimg.com t Move down

Riding on cutting-edge technologies such as flex oDSP, super SD-FEC, and flex modulation format, this field trial achieved a record-breaking transmission distance of 1, 500 km using a super-channel PDM-16QAM-based high spectral efficiency solution, and a second record-breaking transmission distance of 3, 325 km using a super-channel Nyquist PDM-QPSK-based ultra-long-haul solution.

ENGADGET: Huawei tests 2Tbps data transmission over Vodafone's German network, calls it a 'first'

While it delivers rich three-channel sound when connected to a TV, it also lets you create a true five-channel surround setup pretty much cable-free using a pair of Sonos Play:3 wireless speakers.

WSJ: Upgrade Your Television's Audio With a Soundbar