It has existed for just a few years.
它只存在了几年。
They completely ignore these facts as if they never existed.
他们完全忽略了这些事实， 就仿佛它们从来不存在似的。
Several pairs of such vowels existed in early English.
在早期英语中，有好几对这样的元音。
This is a side of Alan that I never knew existed.
我以前从来不知道艾伦还有这样的一面。
There was a warmth and passion about him I never knew existed.
他身上有一种我从来没有认识到的热情和激情。
美国立国多久了？
How long has this school existed?
该所学校成立了多长时间？
Very few people believed she existed.
几乎没有人相信她的存在。
这样的人从来没有存在过。
We all know that. It has never existed.
我们都知道它从不曾存在。
Theories about change had long existed.
变革的理论存在已久。
她只靠牛奶生存。
But could anything have always existed?
但一个东西有可能原来就存在吗？
No such piece of paper ever existed.
根本不存在这样的纸片。
为什么会有世界？
It has never existed. It will never exist.
它从来没有存在过，将来也永远不会。
We didn’t even know such sleep existed.
我们甚至不知道还有这么棒的睡眠。
Visible nature hardly existed for him.
对他来说，这个历历可见的自然界是若有若无的。
He never believed that true love existed.
他从不相信世上存在真正的爱。
The longer the school has existed, the better.
学校存在的时间越长越好。
In fact, I don't know if they ever existed.
事实上，我不知道他们是否曾经存在。
Life would much easier if dog superheroes existed.
如果超级英雄犬存在的话，生活将变得更容易。
Container technology has existed for a long time.
容器技术早就出现。
It makes it easier to believe they could have existed.
这更容易让人相信它们曾经存在过。
Delete an element that existed in the previous version.
删除存在于先前版本中的一个元素。
Rename an element that existed in the previous version.
对存在于先前版本中的元素重新命名。
Iraq has existed as a country for less than a century.
伊拉克作为一个国家已有不到一百年的历史。
Peace and harmony existed between her and the clouds.
她和云终于可以和谐相处了。
Its main goal is to determine if life ever existed on Mars.
它的主要目标是确定火星是否存在过生命。
Its main goal is to determine if life ever existed on Mars.
它的主要目标是确定火星是否存在过生命。
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