氮是植物合成蛋白质所需要的，蛋白质又是酶和细胞结构的组成成分。
Nitrogen is required by plants for the synthesis of proteins, which are needed as enzymes and as structural components of cells.
氮是植物合成蛋白质所需要的，蛋白质又是酶和细胞结构的组成成分。
Nitrogen is required by plants for the synthesis of proteins, which are needed as enzymes and as structural components of cells.
应用推荐