I looked back through the hole but the boy had disappeared.

我又朝洞里望去，但小孩子杳无踪影。

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"The drill hole is just a pinprick on an elephant's back," he said.

“钻井对于整个岩浆体来说只不过是大象背上的一个小针孔。”马施说。

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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》

As I was reading it, I wondered if perhaps I was somehow cosmically thrust into some worm-hole time-warp back to 1955.

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Woods's double bogey on the 14th hole pulled him back into a four-way tie with Sergio Garcia, rookie David Lingmerth of Sweden and 49-year-old Jeff Maggert.

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But the hosts hit back immediately as Nick Robinson's inside pass tricked the Bath line to send brother Jamie through a hole, the centre treating supporting back-row Molitika with a perfect offload that saw the Tongan lope under the posts.

BBC: Cardiff Blues 24-18 Bath