meteorite

陨石, 流星英释中释na piece of rock or metal from space that has landed on Earth

1 I close the meteorite room and try the door across thecorridor..我关上陨石房间的门，又打开了走廊对面的门。

2 If the contamination were terrestrial, one could expect equal amounts of the molecules (or less) to be present in the meteorite samples, certainly not more..如果污染是来自地面的，在陨石样品中有可能会发现等量（或者较少）的分子，但肯定不会多。

3 The group, based at Imperial College London, found some of the base building blocks for life, nucleobases, in dust from the Murchison meteorite which fell to Earth in 1969..研究小组由伦敦帝国学院创建，他们在1969年坠入地球的默奇森陨石尘埃中发现了碱基，这是构建生命的基本成分。