1 sentence

1. 专业的潜水员正在水下检查桥墩的安全状况。

   zhuān​yè de qián​shuǐ​yuán zhèng​zài shuǐ xià jiǎn​chá qiáo​dūn de ān​quán zhuàng​kuàng.

   Professional divers are checking the safety of the bridge piers underwater.

   Source: Dong Chinese Dictionary