第 38 课: 来和去；上和下；睡和醒-4

The woman is going up the escalator. 那个女人正乘着自动扶梯上楼

The woman is coming down the escalator. 那个女人正乘着自动扶梯下楼

The man is going up the steps. 那个男人在上台阶

The man is coming down the steps. 那个男人在下台阶

These people are going up the escalator. 这两个人正乘着自动扶梯上楼

The people are going up the steps. 那些人在上台阶

These people are going down the escalator. 这两个人正乘着自动扶梯下楼

The people are coming down the steps. 那两个人在下台阶