Because of its proximity to Earth's core, the rock at the base of the mantle is much hotter than rock in the upper mantle.

由于靠近地核，地幔底部的岩石比上地幔岩石的温度高得多。

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The Irish team were solid as a rock in defence.

爱尔兰队的防守坚如盘石。

《牛津词典》

"My boys loved finding the rock in the park, especially since it was a superhero," their mother, Judy Burinsky, says.

“我的孩子们喜欢在公园里找石头，尤其是因为它是一个超级英雄。”他们的母亲朱迪·布林斯基说。

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The Raptorex Kriegsteini reportedly was discovered inside a single piece of rock in the Inner Mongolia area of China.

VOA: special.2009.10.13

So, people started rushing to pull all their money out of Northern Rock in September 2007.

007年9月,人们蜂拥到北岩门前,要求提取存款

耶鲁公开课 - 金融市场课程节选

Northern Rock, which was a building society in the United Kingdom, had a sudden bank run in September 2007.

北岩银行,是英国的一家建屋互助会,在2007年9月突然出现银行挤兑

耶鲁公开课 - 金融市场课程节选

Proud and free, Okello ended up on hard rock in the bare and barren Ngong Hills.

FORBES: Rules of Order in the Jungle

In A.D. 874, about 10, 000 Vikings colonized a chunk of rock in the North Atlantic and called it Iceland.

FORBES: Genes for sale

Once you touch the ball and get an open look, it's like throwing a rock in the ocean.

WSJ: Foye's 8 3-pointers lift Jazz over Nets, 116-107