conservation of our race的用法和樣例：
例句
- As the only black cattle breed in China, the conservation and breeding of Bohai Black cattle was of the great significance.
渤海黑牛是我國僅有的一個(gè)黑毛牛品種，搞好保種與選育具有非常重要的意義。 - This paper roports change of genetics larvate under domestic condition,it has also been pointed out the method of conservation the larvate.
本文闡述了果子貍在人工馴養條件下的遺傳變化，提出了保種方案。
