egg laying

例句：

1. 1. Thehen is laying eggs in the nest.
   母鸡正在窝里下蛋。
2. 2. The chickens are laying eggs every day.
   鸡每天都在下蛋。
3. 3. The incubation period for a chickis about two weeks.
   雏鸡的孵化期大约是两周。