NASA said it was pleased the spacecraft collected more sample material than expected.
美国国家航空航天局表示,飞船收集到的样本材料多于预期,这令他们非常满意。
单词 | sample material |
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原声例句
VOA Special 2020年12月合集 NASA said it was pleased the spacecraft collected more sample material than expected. 美国国家航空航天局表示,飞船收集到的样本材料多于预期,这令他们非常满意。 当月 VOA Special English The examinations of the sample material were carried out atom-by-atom with very sensitive instruments, the researchers said. 研究人员表示,他们用非常灵敏的仪器对样品材料逐个原子进行研究的。 |
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