The surgeon pushes an instrument through the working channel and into the collapsed vertebra.

外科医生通过工作通道，把器械放入塌陷的椎体。

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They are now working on a Channel Island basis with Guernsey.

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It didn't take the community long to catch up, though -- the homebrew channel was working its way onto select systems using tried and true methods since launch day.

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That's not to say Al Jazeera America, the working name for the new channel, won't have its own biases.

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