这打破了当代美国文化的第一条规则-永远不要谈论死亡。
This breaks the first rule of contemporary American culture - never talk about death.
当今中国最具影响力的国宝级民族器乐演奏家之一，堪称“中国当代二胡第一人”。
China's most treasured influential performer of folk music, Chen Jun has been called “the first contemporary Erhu player”.
研究人员在本周的《当代生物学》上报道说，贝塔微精原蛋白是第一种在海洋动物中发现的能够激发进攻性本能的化学物质。
microseminoprotein is the first aggression-triggering compound found in marine animals, the researchers reports this week in Current Biology.
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