germinating cylinder

例句：

1. 1. Theseeds of this plant are known to germinate quickly in warm soil.
   这种植物的种子在温暖土壤中很快就能发芽。
2. 2. Theyoung seedlings are thriving, andthe roots are already reaching for nutrients.
   幼苗生长良好，根系已经开始吸收养分。
3. 3. Thegerminating cylinder is a crucial partof the seed's life cycle.
   发芽圆柱体是种子生命周期中至关重要的部分。