经过一系列相互转换的代谢途径达到了恒态性的条件.After series of related and interconvertible pathways, a steady - state condition is reached.质量与能量相等而又是可以互相转换的.Energy and mass are equal and interchangeable.酶是一种灵活的结构转换的内容.POD is a flexible struct...
登圣母峰绝不是一次轻松的旅途.Climbing Mt. Everest is anything but a pleasure trip.十七 岁 的尼泊尔高中生坦巴? 伽利 登上圣母峰8848公尺高的峰顶.Temba Tsheri, a 17 - year - old Nepalese high - school student , has reached the 8 , 848 - meter summit of Mount Ever...