Dieldrin is related to aldrin, and its toxicity to earthworms is similar.狄氏剂与艾氏剂有关,对蚯蚓的毒性是相似的.Both Aldrin and Chlordane are valuable insecticides.艾氏剂和氯丹都是重要的杀虫剂.Neil Armstrong and Buzz Aldrin were the first humans on the...
Aldrin: OK. Engine stop. ACA out of Detent.阿尔德林: OK. 引擎停止.ACA制动脱离.Neil Armstrong and Buzz Aldrin were the first humans on the moon.阿姆斯特朗和奥尔德林是首次登上月球的人类.Both Aldrin and Chlordane are valuable insecticides.艾氏剂和氯丹都是重要的杀虫剂.D...
两层细胞 ( 两胚层 ),中间是凝胶状的中胶层.Two cell layers ( diploblastic ) separated by a gelatinous mesoglea.天边是耀眼的橙红色曙光, 下面点缀着一条凝胶状的淡绿色带子.Dawn came glassy orange , stained from below by a gelatinous band of pale green....
George is a public relations officer for The John Bennett Trust.乔治是约翰·本尼特信托公司的一名公关主管。Limiting casualties is important for public relations.减少伤亡人数对于维护公众形象很重要。The move was good public relations.该举措是有效的公关手段。...
我们有能力扩大空运的规模,同苏联的任何升级行动相匹敌.We had the capacity to expand the scale of the airlift to match any Soviet escalation.不, 空运的运费太贵了. 它们可以用船运.No, air freight's too expensive. They can go by sea.目的总结紧急远程航空医疗运送的经验,分析影响空运的多种因素...
The declarer may easily lose his way on this contract before he has adjusted his sights.在这定约中,庄家在纠正他的看法以前,很容易迷失方向.He trumped small, but be overtrumped by the declarer.他用小牌将吃, 但是被庄家将牌盖吃了.Overtrick - each trick won by decl...
Rescuers were still working their way towards the trapped men.营救人员仍在艰难地向被困者靠拢。It took rescuers 90 minutes to reach the trapped men.营救人员花了90分钟才赶到被困者那里。They were trapped after the lifts went out of action.电梯出现故障,他们被困在里面了。...