無数的英文：
innumerable; countless; uncounted; numerous; incalculable; numberless; infinite; myriads of; a world of; a sea of; an infinity of; without number; no end of

Today, the uses of aluminum are innumerable.
今天铝的用途多得不可胜数。

She has done me innumerable courtesies.
她对我一直极为有礼。

They arrived at their destination after traveling across innumerable mountains.
他们翻过千山万岭，到达目的地。

These forests have reigned supreme for countless millennia.
这些森林生长繁茂已有千万年之久。

The straw roof harbored countless sparrows.
麦草屋顶成为无数麻雀的庇护所。

Countless people swear that ginkgo has changed their lives.
数不清的人非常肯定地说银杏制改变了他们的生活。

What is an uncountable noun?
什么是不可数名词？

All and half can be used with countable and uncountable nouns.
All and half与可数名词和不可数名词连用均可.

He sold uncountable cords of it every year for cash on the nail
每年他卖出无数的木柴，都是就地现钱交易。