Some people are not afraid of stress, and such characters are obviously prime material for managerial responsibilities.
有些人不怕压力，这样的人物显然是承担管理责任的好人选。
Synthesize triazine compounds from metformin which is the prime material. 7 triazine compounds have been synthesized.
同时研究合成三嗪类衍生物，以二甲双胍为起始原料，合成了7个三嗪类化合物。
When you can see white midsole material poking through the outsole or when the sole under the heel looks crushed, the shoes are long past their prime.
当你看到白色的中底材料已经穿透大底，或者脚跟处的大底看起来已经裂了，那么这双鞋早就寿终正寝了。
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