When the body is deficient in the raw materials required for new cellconstruction, or poisoned by toxic exposure, it undergoes more cell damage than it can repair.
当身体缺少建设新的细胞所需的原材料，或被外部环境所毒害，它的损伤已经超过了自我修复的能力。
2
Proteins are used in the construction of each cell of every organ, gland or system along with the muscular structure.
蛋白质被用在每一器官、腺体或系统及细胞结构每一细胞的构造中。
3
Making bridge panel concrete with the air cell inner form may quicken the precast bridge panel construction pace, ensure the project quality and drop construction cost.