制备,保存用化学或物理方法制备 、 保存或润饰 ( 某物质 )To prepare , preserve, or finish ( a substance ) by a chemical or physical process.用化学或物理方法制备 、 保存或润饰 ( 某物质 ).To prepare, preserve, or finish ( a substance ) a chemical or physical process....
Traditional library card catalogs provide lookup by three attributes: author, subject, and title.传统的图书馆分类卡片提供了3个查找特征, 即 作者, 科目和标题.Cross - references are used in all forms of catalogs.相关参照用于各种形式的目录.Yes, here are some cata...
Sewage nutrients do increase algal growth in the harbour.污水中的营养物确实会加快港口的海藻生长。I waved goodbye and went down the stone harbour steps.我挥手告别，然后走下港口石阶。The gigantic natural harbour of Poole is a haven for boats.巨型天然港普尔港是船只的避风港...