Both Aldrin and Chlordane are valuable insecticides.艾氏剂和氯丹都是重要的杀虫剂.Mercury, polychlorinated biphenyls ( PCBs ) and chlordane are among the major contaminants found in Illinois fish.水银, 多氯联苯和氯丹是在伊利诺依州的鱼类中发现的主要污染物.To explo...
The voice was rich, lordly, Harvardish, like all the boring radio comedians'imitations.声音浑厚 、 威严, 俨然是哈佛出身的气派, 就跟无线电里所有的滑稽演员叫人已经听腻的模仿完全一样.There were a few lordly poplars before the house.有一排白杨像贵族一样矗立在房子前.Maybe he bri...