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...
Deodorize the air inside refrigerator and freshen the foods stored.用于冰箱的除臭与食品保鲜.We watched the little boy toddle up purposefully to the refrigerator.我们看著那小男孩特意晃到冰箱前.A gas chromatographic method to quickly test the effici...
In those days, dentistry was basic. Extractions were carried out without anaesthetic.那时候,牙科学刚起步,拔牙都不打麻药。His work was important in helping establish dentistry as a separate profession.他在推动牙医学发展成一门独立学科的过程中发挥了重要作用.Health Sc...