once之类的词叫什么且前面加冠词吗

once
once
[wʌns; wʌns]
《one 的中古英语所有格副词用法》
副词
1 一次,一遍,一倍
a day
一天一次
more= again
再 (来) 一次
or twice
一两次
I have skated.
我曾溜过冰
one is one.
一乘一等于一
2 一次也 (没有…)
I haven't seen him .
我一次也没见过他
3 只要,一旦
when [if] he consents
一旦他同意
4 从前 (某时候) ,曾经
there lived an old man in a village.
从前在一个村子里住著一位老人
She was very miserable.
她曾有过一段悲惨的经历
There was a giant.
从前有一位巨人
a once-famous doctor
一位曾享有盛名的医生
(every) once in a while [(英)way]
有时,偶而
more than once
再三地,不只一次地
once and again
一再地,屡次
once (and) for all
最终地; 坚决地,断然地
He decided to give up smoking and for all.
他断然决定戒烟
once upon a time
从前,很久以前
upon a time there was a beautiful princess.
从前有一位美丽的公主
连接词
一旦…时,一经…,一…就…
he hesitates,we have him.
他一犹豫,我们就击败他
the procedure is fixed upon,everything will be done accordingly.
一旦决定程序后,一切都将照著程序去做
不可数名词
一次,一回
is enough for me.
我一次就够了
all at once
(1) 突然,立刻 (suddenly)
(2) 大家一起 [同时]
Don't speak all at .
不要都同时说话
at once
(1) 立刻,马上,即刻
He came at .
他立刻就来
(2) 同时
No one can do two things at .
没有人能同时做两件事
at once and
既…又…
His father was at strict and gentle.
他父亲既严格又仁慈
(for) this[that]once
只这[那]一次
(just) for once
(1) 至少一次
I wish for in my life to see the grand scenery.
我希望在一生中至少有一次机会能看到那壮丽的景色
(2) 这一次; 有时候
I wish you would come home early for .
我希望你有时候能早点回来
形容词
从前的,以前的
my enemy
我以前的敌人