night修改一个字母是什么单词

sight

sight [简明英汉词典]
[sait]
n.视力, 视觉, 见, 瞥见, 视域, 眼界

light

光，轻

light也可以啊

是light，意为轻等意思。

fight

fight
fight
名词战斗力;斗志[不可数名词]
He has plenty of fight in him. 他斗志旺盛。

争吵;争论[可数名词]
Their fights were always over money. 他们的争吵总是为了钱的问题。