-
Over the last five, ten years there's been some work done on this.
在过去五，十年里,有人做了一些有关笑的研究。
应用推荐
$firstVoiceSent
- 来自原声例句
Over the last five, ten years there's been some work done on this.
在过去五，十年里,有人做了一些有关笑的研究。
应用推荐