The shop assistant received me indifferently while leaning on a counter.商店售货员靠在柜台上漫不经心地招呼我。After I paid the money, the shop assistant gave me a receipt.我付过钱之后, 店员便给了我一张发票.The shop assistant was wearing a white overall.那店...
The climax of the book happens in Egypt.该故事的高潮发生在埃及。Often, a man can enjoy making love but may not be sufficiently aroused to climax.通常情况下，男人可能会享受鱼水之欢，但未必能完全达到高潮。The climax came one sultry August evening.在 8 月一个闷热的夜晚，高潮到...
什么一些昆虫和鱼摄入鱼藤酮会致死.Explain why rotenone ingestion is lethal to some insect and fish species.所述植物提取液可以是辣椒素、鱼藤酮.The plant extract liquid may be capsaicim or rotenone.为了优化鱼藤酮异构化制备异鱼藤酮的工艺.采用三氯化铝催化下异构化.To optimize the process o...