1.barriers to 障碍

例句：So in the NRC world these are the multiple barriers to public exposure and public risk.

在NRC的世界里，这些都是多重障碍,对于公众暴露和公众危险来说1cM0[PHh58i。

2.sign language 手语

例句：Sign Language Recognition is a communication way between the deaf and the health.

手语识别是聋人与健全人自然交流的途径，是手势识别的重要研究内容4aVop+CIotzDFy1L@e。

3.seek help 寻求帮助

例句：If they cannot be roused, immediately seek help.

如果不能被唤醒，立即寻求帮助#qn_h_Ay|HQ!L~C[6。

4.put in touch with 与…联系

例句：Ask to be put in touch with other students from your country or who speak yourlanguage.

要和来自家乡或说你本国语言的人保持接触tOUW4eiCe%lsF5。