河流

cún zài hé liú luò chā

存在河流落差

exist drops in river levels

liǎng tiáo hé liú

两条河流

two rivers

shū jùn hé liú

疏浚河流

dredge a river

tōng háng hé liú

通航河流

navigable river

duō guó hé liú

多国河流

multinational river

yī tiáo hé liú xíng chéng le liǎng guó de fēn jiè xiàn

一条河流形成了两国的分界线。

A river forms the boundary between the two countries.

gāi hé liú suǒ chǔ de dì xíng zì fā hóng shuǐ yǐ lái fā shēng le xiǎn zhù biàn huà

该河流所处的地形自发洪水以来发生了显著变化。

The topography of the river's basin has changed significantly since the floods.