Under normal environmental conditions, Daphnia populations are exclusively female and reproduction is clonal.在正常环境条件下, 水蚤均为雌性并且采取无性繁殖.Results: Daphnia magna could detect the toxicity of water and water resource polluted ...
In social politics, too, the city's contribution to 20th century thought and culture was no less portentous...同样从社会政治学上看，城市对20世纪思想、文化的贡献也意义重大。This is Chekhov's contribution to Russian literature.这是契诃夫对俄罗斯文学的贡献。...
你几乎难以想象他怎样撒开两条长腿跑完这段距离的.You can hardly imagine how his long legs clipped off the distance.她勉强低声一笑,一面很快地把他的手撒开了.She uttered a forced little laugh as she relinquished his hand quickly.昆塔马上撒开腿不顾一切地向他奶奶的茅屋奔去.Kunta ran blindl...
His father was appointed postmaster.他的父亲被任命为邮政局长。Howe carefully cultivated Daniel C. Roper, the Assistant Postmaster General.豪谨慎地和邮政副部长丹尼尔·C.罗珀拉近关系。John Doe was appointed postmaster vice Richard Roe retired.约翰·多伊被任命为邮政局长...