绝缘体的原子把电子抓得很牢.The atoms of an insulator hold their electrons very tight.晶体可以是绝缘体, 半导体, 或导体.Crystals may be insulators, semiconductors, or conductors.由绝缘体隔开任何两个导体就组成电容器.Any two conductors separated by an insulator are sai...
学生助学金将冻结在现有水平,但可以申请补足贷款。Student grants will be frozen at existing levels and top-up loans made available.学生领到的钱有不到一半是助学金,差额部分由贷款补足。Less than half of the money that students receive is in the form of grants, and loans hav...