First, the frogs lay eggs, in a pond, and then the eggs turn into tadpoles and the tadpoles turn into more frogs.

首先青蛙产卵，在池塘里，然后那些卵变成蝌蚪，然后蝌蚪变成更多的青蛙。

youdao

The tadpoles take around three or four months to turn into frogs and this batch could leave the pond as frogs in June or July.

BBC: 'Rare' albino tadpoles uncovered