The research of copolymerization of ethylene and diolefin has theory value as well as practical significance.乙烯和共扼二烯烃的共聚合的研究不仅具有理论价值而且还有实际意义.In addition, the copolymerization of conjugated diolefin is the base to explore...
A lot of the lads took small jobs to help keep the wolf from the door.很多少年打零工帮补家里维持生计。A lot of the plastics that carmakers are using cannot be recycled.汽车制造商使用的许多塑料制品是无法回收利用的。'Anyhow, thanks a lot. Bye bye.'“那么...
In order that every student might understand it, the teacher explained that passage again and again.为了使每个学生都明白, 老师反复讲解那一段.They flew there in order that they might be in time to attend the opening ceremony.他们飞往那里以便能及时参加开幕...
The holiest of their chapels are topped with gilded roofs.他们最神圣的教堂屋顶镀了金。Both castles had their own chapels too , which was incredible to see.两个城堡都有自己的礼拜堂,非常华美.It has an ambulatory and seven chapels.它有一条走廊和七个小教堂....