the very small creatures that sometimes cause disease in humans and animals; the plural form of BACTERIUM
Even if we clean everyday, bacteria is on and in everything we touch.

to fall suddenly or unexpectantly
The student dropped his books on the floor.

to go behind or after something
The dog follows his owner everywhere.

a short time period
He thought for a moment and then said.

a part or piece that something is divided into
The section of your body that includes your neck, chest, stomach and reproductive organs is called the torso.

extremely small
The tiny mouse, had the heart of a lion.

having a particular value, usually in money
It's worth having a look here before we drive to another city.