常見例句雙語例句Why does a dog wag its tail?狗為什么要搖尾巴?blog.sina.com.cnWhen a dog is happy, it will wag its tail.狗狗高興的時候會搖尾巴。Every time I go home, it will wag its tail to me.每次我回到家,它就會朝我搖尾巴。 返回 wag its tail