Our bumpers just grazed ( ie touched each other ) as we passed.我们 错车 时保险互相 蹭 了一下.The hills have been grazed by sheep because they were too steep to be ploughed...这几座山过于陡峭，不适于耕种，所以就用来牧羊了。The plane grazed the hilltops.飞机擦着...
Useing unsaturated urethane , 2 - ethylhexyl acrylate, crosslinking agent, high oil - absorbent resin was prepared by suspension polymerization.用不饱和氨基甲酸酯 、 丙烯酸异辛酯和交联剂, 以悬浮聚合的方法制备高吸油性树脂.Ferric sulfate was first used for t...