英语翻译:I know.Your voice sounds funny.Cold viruses make the cells in your nose swell up.That's why you have to breathe through your mouth.Look,your nose is running!When you have a cold,your nose makes lots of mucus.When you blow your nose,you blow mucu
why do we catch colds,Doctor Lee?Colds are made by germs.If people cough or sneeze when they have a cold,germs shoot out into the air,If you breathe in these germs,youcould get a cold.My throat hurts when l swallow.And my nose is all blocjed up.l know.Your voice sounds funny,...