国美京华城
一次一月 once a month两次一月 twice a month三次一月 three times a month四次一月 four times a month五次一月 five times a month六次一月 six times a month总之就是三以后依次类推当然也可以用“per”(每)代替“a”(一)一次一月 once per month两次一月 twice per month三次一月 three times per month四次一月 four times per month五次一月 five times per month六次一月 six times per month等等
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