He was killed near a former sugar plant which members of the MST landless movement have occupied.

案发地附近原来有座糖厂，无地农民工运动(MST)的成员曾占据此地。

This powers the conversion of carbon dioxide and water into glucose, the simple sugar plants need to grow.

这个过程也使二氧化碳和水转化成了葡萄糖。而葡萄糖就是植物生长不可或缺的简单糖类。