A crown, decorated with jewels, separates the headdress from the hair band.冠, 饰以珠宝, 分开的头饰从头发带.She often wears a hair band on her head.她头上常常戴著一条发圈.It't be Annie's hair band. It has her name on it.它一定是安妮的发带, 上面的她...
蒸汽和水力可用来发电.Steam and water power are used for the generation of electricity.在19世纪人们大规模使用水力来发电.In the 19 th century waterpower was widely utilized to generate electricity.这里正筹划建设一座水力发电站.Plans are being drawn up to build a...