lost river

名詞

(hydrology) A surface stream which flows into an underground passageway.

日本語の意味

地表の河川が、地下の通路へ流れ込む現象を示す。

The geologist studied the lost river where the surface stream vanished into an underground passageway.

地質学者は、地表の流水が地下の通路に消え込む河川を調査した。

意味（1）

(hydrology) A surface stream which flows into an underground passageway.

lost rivers

（ plural ）