Correct

洼陷

/ wā xiàn /
Strokes

Example

As a Verb

sink; dent; depress

1
dǐng
屋顶
kāishǐ
开始
xiàn
le
  

The roof is beginning to sink.

2
miàn
路面
xiàn
le
  

The road surface has caved in. / The road has sunk.

3
Liǎng
yǎn
xiàn

have deep-set/sunken eyes