然后他们请小杨吹口琴.Then they called on Xiao Yang to play the harmonica.他口琴吹得很好.He playea quite well on the mouth - organ.看见大象吹口琴, 孩子们这个乐啊!When they saw the elephant blowing the mouth organ , the children roared with laughter....
They jogged in silence a while, faces lowered, out of step.他们低着头，一言不发地慢跑了一会儿，步伐也不一致。He's out of step with the rest of us.他和我们大家步伐不大谐调.Tom is out of step with the times.汤姆跟不上时代的步伐....