他们发现狄氏剂的挥发常随紧实度的增加而减低.They found volatilization of dieldrin tended to decrease as bulk density increased.狄氏剂与艾氏剂有关,对蚯蚓的毒性是相似的.Dieldrin is related to aldrin, and its toxicity to earthworms is similar....
Cultivating a positive mental attitude towards yourself can reap tremendous benefits.培养一种自信的积极心态会让人受益匪浅。The farmer is cultivating his land.农民在耕耘土地.The responsibilities of a teacher lie not only in the inculcation of know...
他们验明6种植物有可能提炼出药物麻醉剂。They identified six plants as having potential for development into pharmaceutical drugs.他们已在临床试验中接受过这种药物的治疗。They have been treated with this drug in clinical trials.加西亚总统已经下令空运食品、药物和毛毯。President Garc...
A miasma of stale alcohol hung around him.他身上老有股难闻的酒精味。A miasma rose from the marsh.沼泽地里冒出了瘴气.A grey miasma, neither cloud nor mist low in the sky and the atmosphere was stifling.一些似云非云,似雾非雾的灰气低低的浮在空中,使人觉得憋气....
Most shopping centers have knocked ten percent off the price.大部分购物中心打九折.The topic today centers about the crisis in the Middle East.今天课题的中心是中东危机.Modern industry has been concentrated in a few urban centers.现代工业全集中在几个市中心....