Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ). 锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.
我们要 雪糕,他偏买热狗,这个人脾气乖张.It's perverse of him to buy hot dogs when we want ice - cream .给我一份草莓雪糕行 吗 ?Can I have a strawberry - ice?适合商店、饭店,存放雪糕 、 饮料及鲜茶叶.Suitable for store and restaurant to store ice - cream, drinks and...
The old librarian illuminated some old books and manuscripts.这个老图书馆员把一些古书和旧抄稿加上各种装饰.The librarian entered a new book in the catalogue.图书管理员把一本新书编入目录.You may deposit your returned books with the librarian.你可以把要还的书留在图书管理员处...