他直率地讲出了苦难的经历。He spoke frankly about the ordeal.如果你有不满意的事,你应该直率地对我说.If you have a complaint you should tell me outright.我宁可犹疑地表示我的意见而不愿直率地断言这件事.I choose rather to hesitate my opinion than to assert it roundly....
Many sulphides, selenides, and tellurides have the nickel arsenide's NiAs type of structure.许多硫化物, 硒化物和碲化物具有砷化镍NiAs型的结构.The material is a semiconductor called gallium manganese arsenide.这种材料是一种叫做镓锰砷化物的东东.This paper ...