zhuān jiā / tí xǐng / shuō / dì biǎo / kàn sì / píng wěn / de / hé duàn / yě / kě néng / cún zài / wēi xiǎn / de / qián liú

专家提醒说，地表看似平稳的河段也可能存在危险的潜流。

Experts warn that even river sections whose surfaces appear calm may contain dangerous undercurrents.