What moves him is the desire to unravel the mysteries of nature.推动他们的还是解开自然之迷的愿望.A young mother has flown to Iceland to unravel the mystery of her husband's disappearance...一位年轻的母亲飞抵冰岛，要揭开她丈夫失踪之谜。The stairway carpet...
他每月挣得不少加班费.He pulls in a lot of overtime pay each month.他领到了加班费.He was paid for the overtime he worked.大公司的员工有相当一部分薪酬来自奖金和加班费。Workers in big firms receive a substantial part of their pay in the form of bonuses and overti...
Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of polyhalides depends on the combination of a central halide ion with a halogen.多卤...