Correct

淹埋

/ yān mái / 
Strokes

Example

As a Verb

(of mud, sand, etc) flood; cover

1
Tiělùxiàn
铁路线
bèi
被
liúshā
流沙
yān
淹
mái
埋
le
了
  
。

The railway line was buried in the drifting sands. /Drifting sands engulfed the railway line.