The complex of physical and chemical processes occurring within a living cell or organism that are necessary for the maintenance of life. In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary f
新陈代谢维持生命所必需的，发生于存活细胞中或生物体中的物理和化学过程的总和。在此过程中，一些物质被分解从而为生命过程提供能量，而另一些维持生命所必需的物质则被合成
The four-building complex will include a library, a museum, an auditorium and a planetarium.
由四栋房屋所构成的这座综合建筑将包括一个图书馆、一个博物馆、一个礼堂及一个天文馆。
The new sports complex has everything needed for many different activities.
新建的综合体育馆提供了多种活动所需的设施。
