there once was a man.
曾经有个人。
there once was a man.
曾经有个人。
once a day.
一天一次
once two is two.
二乘以一得二。
a once powerful nation
曾很强盛的国家
Once one is one.
一一得一。
Once is enough for me.
对我来说一次。
the once capital of the nation.
该国以前的首都
For once he was early.
只有这一次他早到。
repeat once more .
重复一次。
they deliver once a week.
他们一星期送一次货。
every once in a while
偶尔, 间
All at once it began to rain.
间下起雨来。
Once again the train was late.
火车又一次晚点。
The Nagual was once again blamed.
纳瓦次被谴责。
She once knew him.
她以前认识他。
to snarl a once simple problem
使本来很简单的问题发生麻烦
He was once a professional grass.
他曾是一个职业告密者。
The institution of slavery was once widespread.
奴隶制度一度广为流行。
I was absent once or twice.
我曾缺席一两次。
He was once a potent ruler.
他曾经是有权势的统治者。
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