stock seed

• 原种

stock seed的用法和样例：

例句

1. Technicians carefully picked strong horses and used them as breeding stock.
   技术员精心挑选出强壮的马匹做原种。
2. No one supposes that our choicest productions have been produced by a single variation from the aboriginal stock.
   没有人设想我们精选的产物，是从它们的原种仅经一次变异而产生的。