1、A cow 's estrus cycle averages 21 days.
母牛的 * 周期平均為21天。

2、Estrus recurs at intervals of approximately six months until late in life.
從一個 * 期至第二個 * 期之間約為六個月。

3、The number of the CEC was the most at estrus and remarkably (Pmore than that of other stages.
角化上皮細胞在 * 期數(shù)目最多，明顯（P高于其它各期；

4、An estrus is not a disease but a sign of a variety of conditions.
乏情不是一種疾病，而是一種多方面的體態(tài)跡象。

5、A cow's estrus cycle averages 21 days.
母牛的 * 周期平均為21天。

estrus翻譯