The BOD test is essentially a bioassay procedure.BOD试验实际上是一项生物测定方法.The bioassay of freshwater sediment toxicity is described.描述了淡水沉积物毒性的生物测试方法.The field bioassay of 4 trunk injection insecticides ( 14 % Imidacloprid + DD...
The fans rushed onto the pitch in an excited mob.球迷群情激昂,一窝蜂涌进球场.At the beginning men of all sorts and conditions had to pitch in.起初,各阶层,各行各业的人都得努力干.Local long - haired types and even a few tourists - pitch in to help fro...
Apparently she was directing traffic.看样子,她是指挥交通的.Alf offered her a part in the play he was directing...阿尔夫在他导演的戏中给她安排了一个角色。But there seems indelicacy in directing his attentions towards her, so soon after this event.不过,她...