He is very old, yet he is quite strong.是什么意思？

He is very old, yet he is quite strong.

他虽然年纪很大了, 但还很强壮。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

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。

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

old

adj. 老的，古老的，以前的，（用于指称被替代的东西）原来的；n. 古时；

例句
She was old enough to absent herself from the lunch table if she chose...
她长大了，可以自己做主不来吃午餐了。

yet

adv. 但是，还，已经，又，再；conj. 然而，但是；

例句
She had not yet become accustomed to the fact that she was a rich woman.
她还不太适应已经是一个富婆的事实。

quite

adv. 相当，很，非常，确实如此；

例句
For a novelist, that's quite an accomplishment...
对于一位小说家来说，那是相当了不起的成就。

strong

adj. 强的，坚强的，强烈的，强壮的；adv. 强劲地，猛烈地，大大地，坚强地；

例句
Pamela was unrepentant about her strong language and abrasive remarks.
对于自己的激烈言辞和恶语相向，帕梅拉并无悔意。