The bears are normally white of course, but had a change of color after swimming in a pool overgrown with algae.

这个熊正常是白颜色的，但是在一个海藻过分生长的池中游泳后改变了颜色。

youdao

The bears are normally white of course, but had a change of color after swimming in a pool overgrown with algae.

这个熊正常是白颜色的，但是在一个海藻过分生长的池中游泳后改变了颜色。

youdao