Cameroon have also qualified after beating Sierra Leone.喀麦隆队击败塞拉利昂队之后也成功晋级.In Sierra Leone, English is used as the medium of instruction for all primary education.在塞拉利昂，基础教育阶段全部用英语授课。The Sierra Club was unable to meet th...
这实质上是一种狭隘的、因循守旧的照顾孩子的方法。It is essentially a narrow and conservative approach to child care.资金是空运安全争论中的实质问题。Money lies at the heart of the debate over airline safety.这两个系统实质上是两种概念模式。The two systems are, at bottom, concept...
七个主要的铝矾土出口国组成国际铝矾土协会.The seven leading bauxite exporters formed the International Bauxite Association.常用活性炭, 铝矾土来去除废水中各种类型的有机物.Activated carbon, alumina are often used to remove many types of organic materials from aqueo...