The turning point in the process of growing up is when you discover the core of strength within you that survives all hurt.当你从内心深处找到一种可以忍受一切痛苦的坚强力量时，你的成长历程就会出现飞跃。Hungary's opening of the border was a turning point f...
It was a novel idea to control the growth of Microcystis actinomycete.利用放线菌的代谢产物特异性抑制或杀死微囊藻是一条治理水华的新思路.The mechanism of flocculation and removal of Microcystis aeruginosa by chitosan - modified clays was studied.文章探讨了壳聚糖...
我们通过磁铁的作用知道磁性是怎么一回事.We know about magnetism by the way magnets act.他用磁铁捡起了所有的大头针.He picked all the pins up with a magnet.极性是磁铁的固有性质.Polarity is inherent in a magnet....