Correct

木石

/ mù shí /
Strokes

Example

As a Noun

wood and stone

1
shí
木石
jiégòu
结构

structure of wood and stone

As a Noun

lifeless thing; senseless being

2
Rén
fēi
shí
木石
  
,
shú
néng
qíng
无情
  
?

A man is neither wood nor stone, how can one be apathetic?

3
shí
木石
xīncháng
心肠

heartless; unfeeling; marble-hearted