estrus

estrus

英 ['estrəs]

n. 發情期；動情周期

中文詞源：

estrus 雌性動物發情期

來自PIE*eis, 發情，激情，詞源同ire. 可能來自PIE*aidh, 燃燒，詞源同edifice, ether.

例句：

1. The next estrus was delayed.
下一次發情推遲瞭.

2. A cow's estrus cycle averages 21 days.
母牛的發情周期平均為21天.

3. Anestrus ( absence of 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跡象.

4. In cows and many other animals, the female is in estrus just before ovulation.
母牛和許多其他的雌性動物都正好是在排卵前發情.

5. During estrus, the female is fertile and will accept a male.
在發情期, 母犬可以接受交配並且具有生育能力.