1、He understood that plants grew best when they received their minerals predigested by soil bacteria.
他認識到，當植物吸收了經(jīng)由土壤里的細菌預先消化完的礦物質(zhì)的時候，才生長得最好。

2、Students should not be treated as passive receptacles of predigested ideas.
學生不應該只是被動接受知識的容器。

3、In addition, the model is predigested to quicken the speed.
另外，為了使運行速度加快，對模型進行了簡化處理。