n. 宇宙化学家；天体化学家（cosmochemistry 的变形）
1."At this point, the origin of Mercury's large core is still a mystery," said Larry Nittler, a cosmochemist at the Carnegie Institution of Washington who led the X-ray spectrometer study.
“从这点上说，水星巨大核心的起源仍然是一个谜，”华盛顿·卡内基研究所的天体化学家，X射线光谱仪研究的领军人物Larry Nittler如是说。
2."At this point, the origin of Mercury's large core is still a mystery," said Larry Nittler, a cosmochemist at the Carnegie Institution of Washington who led the X-ray spectrometer study.
“从这点上说，水星巨大核心的起源仍然是一个谜，”华盛顿·卡内基研究所的天体化学家，X射线光谱仪研究的领军人物Larry Nittler如是说。