specimens造句

He collected specimens of all kinds of rocks and minerals.
他采集了各种岩石和矿物的样品.

" Finest specimens of human molars, " he informed me.
“ 用精选的真人臼齿做的. ” 他告诉我.

I stayed at Columbia for four years, analyzing specimens.
我在哥伦比亚呆了四年, 在那里做样品的分析工作.

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