Correct

/ wā /
Strokes

Definition

depression/sunken/swamp

Example

As a Noun

low-lying area; depression

1
Shuǐ
水洼子

water-logged depression

As an Adjective

hollow; low-lying

2
Zhè
dài
一带
shì
地势
tài

This plot (of land) dips down too much.

As a Verb

sink; slope downward

3
miàn
地面
xià
下去
le
kuài

A patch of the land sank.