DDTs and HCHs serum level were detected by EC - ECD .运用GC -ECD 方法检测血清中有机氯农药DDTs和HCHs水平.In DDTs the residual level of p, p?DDTs中p, p?The residual levels of DDTs, HCHs in soil were different with different utilization type...
猫把线团儿弄乱了.The kitten tangled the ball of yarn.她从线团上解下丝线来.She wound off the silk from the ball.加拉隆的手指仿佛在编织一篮子线团般舞动.Galaeron's fingers weaved a basket of lines before him....
She had received a summons to appear in court.她已经接到法院传唤其出庭的传票。to issue a summons against sb向某人发出传票They served a summons on the young man.他们向那个年轻人发出了传票....
...the ban on new logging permits which will take effect from July...将于7月生效的禁止颁发新伐木许可证的禁令They cleared large tracts of forest for farming, logging and ranching.他们清除了大片的森林以经营农耕、采伐与畜牧。Cooks are also employed aboard ships an...