The survival rate for tadpoles is only 20 to 30 percent.

蝌蚪的存活率仅为20%到30%。

When I was a kid, I heard the story of tadpoles looking for their mother.

当我还是个孩子的时候，我听过蝌蚪找妈妈的故事。

Tadpoles are the larvae of frogs and toads.

蝌蚪是青蛙和蟾蜍的幼体。

Small tadpole-shaped cold-water fishes with pelvic fins forming a sucker; related to lumpfish.

小的蝌蚪形冷水鱼，长有形成吸盘的腹鳍；与圆鳍鱼科有关。

The tadpole has become a frog.

这个蝌蚪已长成青蛙。

The tadpole has become a frog .

这个蝌蚪已长成青蛙。

Tadpole 1: Where is our Mummy?

小蝌蚪1：我们的妈妈在哪里？

Tadpole 4: Yes, she is our Mummy.

小蝌蚪4：是的，她是我们的妈妈。