Fireflies and some fish (usually with the help of bacteria) have the power to manufacture their own light, but the process seems to consume a large amount of energy.

萤火虫和某些鱼类(一般在细菌的帮助下)可以用自己的能量自身产生光线，但这个过程会消耗大量的能量。

youdao

Fireflies and some fish (usually with the help of bacteria) have the power to manufacture their own light, but the process seems to consume a large amount of energy.

萤火虫和某些鱼类(一般在细菌的帮助下)可以用自己的能量自身产生光线，但这个过程会消耗大量的能量。

youdao