发情: 1.(雌性动物要求交配) estrus; oestrus; heat; rut; empathema 短语和例子同步发情 synchronization of oestrus; 下一次发情推迟了。 the next estrus was delayed.2.(动物的交尾期) be in heat: ; 发情间期 dioestrus; dioestrum; 发情检查 heat
A cow's estrus cycle averages 21 days . 母牛的发情周期平均为21天。
2.
The bitch ' s cycle is divided into four periods 母犬的发情周期被分为一下四个阶段。
3.
Sometimes waiting even a few more days in the heat cycle can resolve the conflict 有时，你只要在同一个发情周期内多等两天就能解决这个冲突。
4.
The expression pattern of these enzymes suggests that an estrous - cycle dependent and region - specific pg synthesis in the bovine oviduct may be required for a successful reproduction 这些酶的表达方式表明一个成功的繁殖需要在牛输卵管内有一个独立而局部特效pg合成的发情周期。
