比较不常见的浸蚀多聚物的化学浸蚀物有酸 、 碱.Less common reagents that attack polymers include acids, bases.简要介绍了磁性纳米颗粒 、 硅纳米 颗粒及阳离子多聚物颗粒等的研究进展.The magnetic nanoparticle, silica nanoparticle and poly - cation nanoparticle were introduced bri...
I don't want him to feel forsaken and unhappy.我不想让他感到被抛弃而不快乐。He was forsaken smoking for years.他戒烟已有多年了.He doubted their claim to have forsaken military solutions to the civil war...他对他们声称已经放弃通过武力解决内战感到怀疑。I don'...
他用软抹布擦亮了自己的柜台。He gave his counter a polish with a soft duster.他的工作是上门推销抹布和刷子。He worked as a door-to-door salesman peddling cloths and brushes.这是块擦桌子的抹布.This is a cloth for the table....