sepulchral

从洞穴深处传来他阴森恐怖的声音。

His ___sepulchral voice echoed from the depths of the cave.

墓地里那棵枯树投下阴森的阴影。

The dead tree cast a ___sepulchral shadow over the graveyard.

这个古老的墓碑上刻着神秘的符文。

The ancient ___sepulchral monument was carved with mysterious symbols.