我挥手告别,然后走下港口石阶。I waved goodbye and went down the stone harbour steps.我用口型默示告别,然后匆匆跟在妈妈身后走了进去。I mouthed a goodbye and hurried in behind Momma.他们来到前门挥手告别。They came to the front door to wave goodbye....
To record, press these two buttons together; then rewind , and then press the red button to play back.要录音就得一起按下这两个键, 而后倒回, 按下这个红键播放.I'll play back the text once more.我把课文录音再重放一遍.If you want to play back, press the g...