hairs是什么意思？

Your hair is the fine threads that grow in a mass on your head.

Hair is the short, fine threads that grow on different parts of your body.

Hair is the threads that cover the body of an animal such as a dog, or make up a horse's mane and tail.

Hairs are short, very fine threads that grow on some insects and plants.

If you let your hair down, you relax completely and enjoy yourself.

Something that makes your hair stand on end shocks or frightens you very much.

If you say that someone has not a hair out of place, you are emphasizing that they are extremely smart and neatly dressed.

If you say that someone faced with a shock or a problem does not turn a hair, you mean that they do not show any surprise or fear, and remain completely calm.

If you say that someone is splitting hairs, you mean that they are making unnecessary distinctions between things when the differences between them are so small they are not important.