| 1. | The heat period appears at regular intervals .
其发情期有一定的间隔时间。 |
| 2. | Two or more ova are shed during the same heat period .
在同一发情期排出两个或数个卵子。 |
| 3. | In fact, the male jaguar joins the female for only a few days, and that's when she is in season .
实际上雄豹和雌豹在一起只有几天时间，而那只是在雌兽的发情期。 |
| 4. | My queens cycle for an average of 5 to 7 days
我的母猫的发情期平均是五到七天。 |
| 5. | During the rut , the male deer can be very irritable
在发情期间,公鹿可能很易怒。 |
| 6. | During the rut , the male deer can be very irritable
在发情期间，公鹿可能很易怒。 |
| 7. | Then everyone knows who is in heat
而后大家就都知道谁进入发情期了。 |
| 8. | Oh , by the way a spayed female will not go into heat
对了，别忘了已切除卵巢的母猫是不会进入发情期的。 |
| 9. | During estrus , the female is fertile and will accept a male
在发情期，母犬可以接受交配并且具有生育能力。 |
| 10. | Estrus recurs at intervals of approximately six months until late in life
从一个发情期至第二个发情期之间约为六个月。 |
