They vowed eternal friendship.

他们立誓要友谊长存。

《牛津词典》

We all long for sincere and eternal friendship in that it can profoundly influence our lives.

我们都渴望真诚永恒的友谊，因为它对我们的生活会产生深远的影响。

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We all long for sincere and eternal friendship in that it can profoundly influence our lives.

我们都渴望真诚永恒的友谊，因为它对我们的的生活会产生深远的影响。

youdao

And may God bless the eternal friendship between our two great nations.

WHITEHOUSE: President Obama Addresses the Irish People

Both Assad's statements of eternal friendship with Iran and his active involvement in Iran's war effort against the US and its allies in Israel, Iraq and Lebanon are meaningless.

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