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....
...hysterical laughter which gradually metamorphoses into convulsive sobs...歇斯底里的笑声渐渐地变成了剧烈的抽泣A larva metamorphoses into a chrysalis and then into a butterfly.幼虫变为蝶蛹,再变成蝴蝶.The poet metamorphoses the everyday into the uni...