bacterium
🇺🇸
/bækˈtɪriəm/
🇬🇧
/bækˈtɪərɪəm/
A tiny living thing with one cell that can be good or bad for people and the world.
Bacteria are so tiny that we can't see them without a special tool, and they live all around us.
細菌非常微小,我們沒有特殊工具就看不見它們,它們到處都有。
A very small living thing that's part of nature and can help or hurt bigger things.
The yogurt has good germs called bacteria that help us when we eat.
優格中有一種對我們有益的細菌,當我們吃的時候它們幫助我們。