strong的名词形式为strength。strong可作形容词、副词和名词，含义为“坚强的”、“有钱人”、“健康的”、“醒目的”、“大大地”、“斯特朗”；strength作为名词形式，含义为“力量”、“体力”、“优势”、“人数多寡”。

strong可作形容词、副词和名词，意为坚强的;强的;强劲的;强壮的;强健的;强读式的，重读的；大大地；斯特朗。

例句：He's strong enough to lift a car!

他力气大得能抬起一辆汽车！

Stay indoors in the middle of the day, when the sun is strongest.

中午阳光最强的时候待在室内。

The temptation to tell her everything was very strong.

非常想把一切全都告诉她。

You have a strong case for getting your job back.

你有充分的理由要求恢复你的工作。

People have strong feelings about this issue.

人们对这个问题反应强烈。

You need strong nerves to ride a bike in London.

在伦敦骑自行车，你可得有胆量。

You're in a strong position to negotiate a deal.

你们很有希望通过谈判达成协议。

The play has a very strong cast.

这部剧演员阵容强大。

There was a strong police presence at the demonstration.

示威现场有了大批警察。

The old machinery was still going strong.

这台旧机器依然运转良好。

strength作为名词，意为力量;强度;力气;体力;毅力;坚强决心;意志力量;实力;强烈程度;优势;浓度;强弱（程度）;人数多寡。

例句：He pushed against the rock with all his strength.

他用全力推那块石头。

She has a remarkable inner strength .

她有非凡的意志力。

Political power depends upon economic strength.

政治权力取决于经济实力。

I was surprised by the strength of her feelings.

她感情之强烈让我吃惊。

Add more curry powder depending on the strength required.

按所要求的口味轻重再加点咖喱粉。

The protesters turned out in strength.

抗议者大量聚集。