Many monster high - rise buildings spring up all over the city.许多巨大的 高层建筑 在这座城市拔地而起.Doubts have begun to spring up in my mind.我突然起了疑心.New official tongues spring up at an increasing rate.新的官方语言日益增长,不断涌现出来....
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...