这种物质聚合形成坚硬的塑料。The substance polymerizes to form a hard plastic.枯松枝生起的篝火给这次聚合增添了随和、友善的气氛.A fire of withered pine boughs added sociability to the gathering.酸酐类固化剂则要求加热以促进聚合反应.Anhydride - type curing agents require the appl...
2001年以前载货汽车是按大 、 小货车分;载客汽车是按大、小客车分的.Before 2001, the vehicles were separate into groups according to sizes.我听说这种小客车能靠很少汽油开很多路.I am tell this minibus can go jar on very little petrol.请你告诉我小客车的柜台怎么走.Could you tell me the w...