seeds volume-weight

例句：

1. 1. The seeds ofthe plant are small and round.
   这种植物的种子是小而圆的。
2. 2. Thefarmer planted many seeds in the field.
   农民在田地里种了许多种子。
3. 3. The seedsof the fruit are edible andcan be eaten directly.
   这种水果的种子是可以食用的，可以直接吃。