Squat is a specific position where your legs are open and your bottom touches the ground. Crouching describes a movement, which might include crouching.

crouch and squat squat 给我感觉就是蹲，蹲下的意思，crouch却有一种俯身，哈腰的一种感觉，这种不同你到可以通过多看一些例句来理解他们不同的微妙之处。