They lay eggs that incubate through the winter.
它们产下卵，要孵化整个冬天。
他们下蛋吗？
Some of the fish are fertile, for they lay eggs.
一些鱼多产是因为它们孵卵。
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。
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。
它们会下蛋。
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。
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。
Some fish are very fertile; they lay 1000's of eggs.
有些鱼是非常多产的，它们产下数以千计的卵。
当他们产卵的时候。
Bird fly and sing, They build nests and lay eggs.
鸟会飞，会唱歌，会筑巢，和下蛋。
Bird fly and sing, They build nests and lay eggs.
鸟会飞，会唱歌，会筑巢，和下蛋。
应用推荐