Correct
稀薄
/ xībó /
Strokes
Definition
thin/rarefied
Example
As an Adjective
(of air or smog, etc) thin; rare
1
Yuè
越
wǎng
往
shàng
上
pá
爬
,
kōngqì
空气
yuè
越
xībó
稀薄
。
The higher we climbed, the thinner the air became.
2
Shānlǐ
山里
kōngqì
空气
xībó
稀薄
,
hūxī
呼吸
kùnnan
困难
。
It is hard to breathe in the rarefied air of the mountains.
3
Gāo
高
hǎibá
海拔
dìqū
地区
kōngqì
空气
xībó
稀薄
。
The air is rare at high altitudes.
4
Xībó
稀薄
qìtǐ
气体
rarefied/rare gas; low density gas