估计寿命是预计一个人能活的平均年数怎么读
点击播放按钮播放发音:
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 估计寿命是预计一个人能活的平均年数的英语：the estimates of life are the prediction of how long a person can live
