With NASA’s Messenger probe now going into orbit around Mercury, Dr Hazen predicts that it will find only 300 or so minerals on the planet.

NASA的信使号水星探测器正进入围绕水星的轨道，海森博士预言水星上只会找到300种左右的矿物。

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With NASA’s Messenger probe now going into orbit around Mercury, Dr Hazen predicts that it will find only 300 or so minerals on the planet.

NASA的信使号水星探测器正进入围绕水星的轨道，海森博士预言水星上只会找到300种左右的矿物。

youdao