流域

HSK 7-9

liúyù

watershed; drainage basin

valley; drainage area

这个地区的河流都汇入一个大湖。

zhè ge qū dì de hé liú dōu huì rù yī gè dà hú 55114231

The rivers in this region flow into a large lake.

森林覆盖了整个流域。

sēn lín fù gài le zhěng zhěng liúyù 54312121

The forest covers the entire watershed.