廼[nǎi] 基本解释：
新英汉大词典：
- 乃 (迺、廼)[nǎi]
- 动词- （是; 就是; 实在是） be; be really; be indeed:
Failure is the mother of success.失败乃成功之母。
- 副词- （于是） so; therefore; hence:
It was a steep climb, so we rested for a while halfway up the hill.因山势高峻，乃在山腰休息片时。
- （才） only then:I didn't know it until now.今乃知之。
You can make progress only if you are modest.惟虚心乃能进步。
- 代词- （你; 你的） you; your:
your father乃父
以上内容来源于：《新汉英大辞典》
例句与用法：
Since then, organic materials ranging from Egyptian mummy hair to Stone Age sandals have been dated.
The cultivation of a hobby and new forms of interest is therefore a policy of first importance to a public man.
If he easily pardons, and remits offences, it shows that his mind is planted above injuries; so that he cannot be shot.
Future buildings, roads, and cities may be made from garbage. But so far it is only dream.
廼的其他解释: