He is in charge of the procurement of materials.他负责物资的采购。More and more , human food procurement came to have a dominant effect on their evolution.人类获取食物愈来愈显著地影响到人类的进化.It was squarely up to me to decide whether or not the...
The opposition gained support by concentrating on bread-and-butter matters.反对党关注与大多数人切身利益相关的问题，从而赢得了人们的支持。He skirted the hardest issues, concentrating on areas of possible agreement.他避开了最棘手的问题，将精力集中于有可能达成一致的领域。I became f...
white phosphorus白磷, 黄磷Phosphorus and its compounds are non renewable and non replaceable limited resources.磷是一种不可更新、难以替代的有限自然资源.Phosphorus is essential to plant growth.植物生长需要磷.red phosphorus红磷, 赤磷White or Yellow phosphor...