1、Watch an English film at least once a month.
观看英语电影,至少每月一次。
2、He needs to inject himself once a month.
他需要每月为自己打一针。
once a month
英[wʌns ə mʌnθ]美[wʌns e mʌnθ]
每月一次
一个月一次; 一月一次
Watch an English film at least once a month.
观看英语电影,至少每月一次。
So, on his own initiative, he began meeting with his coach, Nancy Mercurio, about once a month.
他主动约见南希•墨丘里奥教练,大约每个月接受一次培训。