Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000-350,000.What factors does he take into consideration in determining the...
There was a lot of pressure on you to obtain good grades.你背负了拿到高分的巨大压力。Staff turnover is particularly high among junior grades.基层职员的流动率特别高。Are you in high school or are you still in the grades?你上中学了,还是仍在上小学?...
戴维发誓要离开这个项目，我不得不对他表示钦佩。I had to admire David's vow that he would leave the programme.我郑重发誓，总有一天我将回到欧洲生活。I solemnly vowed that someday I would return to live in Europe.我们发誓要见恶除恶。We have sworn to fight cruelty whereve...
Use shells to decorate boxes, trays, mirrors or even pots.用贝壳来装点盒子、托盘、镜子甚至是花盆。He frugally saved various bits of the machine in carefully marked boxes.他厉行节约地把这台机器的各种零件放进仔细标记的盒子里收好。They returned home with the car bulging w...