• He works for the Department of Psychiatry and Behavioral Science at Stony Brook University in New York.

    VOA: special.2010.08.03

  • Corals have hard, stony skeletons that grow like tree trunks.

    VOA: special.2009.05.12

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定