With back hole for wall mounting indoor and outdoor.

背部设计有挂墙孔，可县挂于室内、外使用。

youdao

Radio signals received from the galaxy's centre back up the black hole theory.

从该星系中心接收到的无线电信号证实了黑洞理论。

《柯林斯英汉双解大词典》

We were in a hole, but I was proud with the way we came back.

我们虽然身陷困境，但我很为我们能像这样东山再起感到自豪。

《柯林斯英汉双解大词典》

Lieutenant Colonel GREG BUTTS (101st Airborne Division): That was another IED hole back there that's been filled in with cement.

NPR: Sectarian Killings Divide Integrated Baghdad Suburb

His pitch back to the hole left him 10 feet for par, and he calmly holed the putt to save par.

WSJ: Masters 2012: Bubba Watson Miracle Shot Lets Him Trump All Comers

This goes for the fracking process itself, as well as the procedures for collecting and treating water polluted with fracking water that flows back up the hole.

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