Environmental hormone is a kind of external chemical substance which incretion of human beings and vertebrates.列举了环境激素对人类和动物生育、生理功能的影响,并指出研制开发“安全化学农药”的思路是不可取的.Antibiotic applied in the control group , while TQBYP, Antibi...
Pick up a quart of milk or a loaf of bread.拿1夸脱牛奶或一条面包。There is a quart of milk left in the pail.桶里还剩下一夸脱牛奶.That glass will contain a quart of beer.那个杯子可容一夸脱啤酒....
侦察员 单枪匹马 深入敌后.The scout single - handedly penetrated behind the enemy's rear lines.侦察员提防着敌人的巡逻队.The scouts are watching out for enemy patrols.这些侦察员很精干.These scouts are very shrewed and capable....
要么你跟他谈，要么我去。Either you can talk to him, or I will.只有两个选择：要么是报酬很低的工作，要么就是失业。It's a straight choice between low-paid jobs and no jobs.你要么非常年轻，要么是个不可救药的乐天派。You are either very young or an incurable optimist....