sterile dermacarrier

例句：

1. 1. The sterile soil was unable to support any plant growth.
   贫瘠的土地无法支持任何植物生长。
2. 2.The farmer had to buy seeds from a sterile supplier.
   农民不得不从一家无生殖能力的供应商那里购买种子。
3. 3. The sterile environment made it difficult for the animals to reproduce.
   无生殖能力的环境使得动物繁殖困难。