the long - term preservation

• 长期保存

the long - term preservation的用法和样例：

例句

1. It really does not achieve the goal of the long-term preservation certain of these animal species.
   这实际达不到长期保存某些动物物种的目的。
2. Through cryopreserving and thawing,human red blood cells can be conserved for a long time.
   红细胞的冰冻与解冻的实施为血液的长期保存提供了有效的方法。