一定相关英语单词,一定英语翻译,一定在线翻译

fixed;established;definite;constant;all to nothing

一定双语翻译,一定在线翻译例句

The happiest are not those who own all the best things, but those who can appreciate the beauty of life.

最幸福的人们并不一定什么都是最好,只是他们懂得欣赏生活的美好。

You must have noticed how tired he sometimes looks.

你一定注意到他有时候显得特别疲惫。