black yak是一个英文短语;不是退出,基本含义就是布来亚克;布莱亚克;冲锋衣;速干裤;
例句为The results indicated that the oestrous rate is 75.0% in Datong yak, 58.8% in Tianzhu White yak, and 57.1% in Tianzhu Black yak after once injection.三批处理结果为,一次注射后的发情率分别为:青海大通牦牛(9/12),75.0%;天祝白牦牛(10/17),58.8%;
- 相关评论
- 我要评论
-