他的头发逐渐稀少了.用英语怎么说？

他的头发逐渐稀少了.

His hair is thinning.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

hair

n. 头发，毛发，（动、植物的）毛，一丝丝，些微，毛发织物；

例句
The wind pushed his hair across his face.
他的发丝随风拂面。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

thinning

n. 稀释；v. （使）变稀薄， （使）变稀少， （使）变细( thin的现在分词 )；

例句
His hair is thinning and his skin has lost all hint of youth.
他的头发开始脱落，皮肤也老化了。