the very small creatures that sometimes cause disease in humans and animals; the plural form of BACTERIUM
There is bacteria everywhere, even if you have just cleaned it.

the red liquid that flows in the bodies of living humans and animals without which we cannot live
There was blood after Tom cut himself accidently.

to cause someone to feel self-conscious and ill at ease
After I dropped my plate of food I felt so embarrassed.

to break wind
Some foods give people a lot of gas that makes them fart often.

(often plural) the tube in the body through which food passes after leaving the stomach; the place where most useable food and some water are taken in
It is surprising how long human intestines are.

feeling uneasy or anxious about something
I was so nervous during the audition that I couldn’t stop my knees from shaking.

a gas that has no color or smell and is needed to support life
Humans need oxygen in order to breathe.

조만간
sooner or later you have to let your children grow up and become adults.

a pain in the belly
Mona got a terrible stomachache after she ate the clams.

to move one's throat as if taking in food or drink, particularly when worried or afraid
It was hard for me to swallow because I had a sore throat.