frog mouth sieve 鱼鳞筛
以上来源于: WordNet
N any nocturnal insectivorous bird of the genera Podargus and Batrachostomus, of SE Asia and Australia, similar to the nightjars: family Podargidae, order Caprimulgiformes 蛙嘴夜鹰
How did a frog learn to continuously bring fresh pockets of air in its mouth to its buried eggs so they wouldn't suffocate?
以最简单的青蛙为例，它们是如何做到不断的为藏在嘴中的卵鼓入新鲜空气以免这些卵窒息？
Your mummy is frog, she has two big eyes, one big mouth.
你的妈妈是青蛙，她有两只大眼睛，一只大嘴巴。
The frog feels surprised and says, "the sky is only as big as the mouth of the well. How do you fly from the sky?"
青蛙惊讶了，就说：“天空就只有这井口这么大，你怎么会从天上飞老呢？”
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