They lay eggs that incubate through the winter.
它们产下卵，要孵化整个冬天。
Fishes are caught when they are on the way upstream to lay eggs.
鱼群在前往上游产卵的途中被捕获。
And real rabbits certainly don't lay eggs.
而且真的兔子都不会生蛋。
Even then, they only lay eggs about every five years.
即便性成熟了，它们也是每隔五年才产卵一次。
Mammals don't lay eggs. They give birth to live babies.
哺乳动物繁衍后代时不是卵生，而是胎生。
These hens lay eggs every day.
这些鸡每天下蛋。
这些鸡每天都下蛋。
雌性萤火虫产卵。
大多数蜘蛛产卵。
Ducks will lay eggs in the early morning.
鸭子在清晨下蛋。
它们会下蛋。
母鸡会下蛋。
他们下蛋吗？
Many chickens lay eggs on this chicken farm.
这个养鸡场每天都有很多鸡下蛋。
鱼产卵。
金鱼产卵。
The hens don't lay eggs during this cold weather.
这样冷的天气母鸡是不会下蛋的。
Bird fly and sing, They build nests and lay eggs.
鸟会飞，会唱歌，会筑巢，和下蛋。
In spring, it returns to the fresh water stream to lay eggs.
春天它回到淡水的小溪里产卵。
Of course not, if lizards were mammals they would not lay eggs.
当然不是，如果蜥蜴是哺乳类动物牠们就不会下蛋。
This is the season when fish lay eggs, therefore fishing is forbidden.
这是个鱼产卵的季节，因而禁止捕鱼。
It is very unusual for a mammal to lay eggs or to have poisonous spurs!
对哺乳动物来说，卵生和长有毒刺是很少见的。
It is very unusual for a mammal to lay eggs or to have poisonous spurs!
对哺乳动物来说，卵生和长有毒刺是很少见的。
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