n.头盔，帽子，顶部，顶梁，上部...

n.蝌蚪( tadpole的名词复数 )...

A few days after the eggs are laid, young frogs which are called tadpole come out of them.卵产下几天以后, 称为蝌蚪的青蛙幼虫就从卵里出来了.A tadpole transforms into a frog.蝌蚪会变成青蛙.As a tadpole changes into a frog, its tail is gradually absorbe...