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Lemonice柠檬冰
once---一次twice---两次three times---三次我踢了他3下 I kicked him three times
hereparadox
序数1 first =1st 2 second =2nd 3 third =3rd 4 fourth =4th 5 5th 6 6th 7 7th 8 8th 9 9th 10 10th 11 11th 12 12th ... 21 21st 22 22nd 23 23rd 24 24th 次数一次 once两次 twice三次 three times四次 four tim...
金牌大素包
恭喜自信心也
艾米tiantian
one 和two单独用不能表达次数，要用once 一次 和twice 两次表示，应该为once or twice a year.也可以说one time 和two times, 但不常用。
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