试题题干
Translate the following sentence into Chinese.
Peak health begins to decline when the body process called anabolism (cell growth) is overtaken by the opposite process, catabolism (cell death).
参考答案
试题解析
考点：anabolism (n.) 细胞生长；catabolism (n.) 细胞死亡；decline 下降。
句子结构：主句为Peak health begins to decline，when引导时间状语从句，从句为被动语态。