Вы искали: he has his hair cut once ... (Английский - Китайский (упрощенный))

once a month
一月一次

once a & month
每月一次( m)

once a month's
一个月一次的

it met once a month.
联盟每月举行一次会议。

:: less than once a month
· 每月不到一次

once a month on average
平均一个月上一次

the group has generally met once a month.
该小组通常每月举行一次会议。

sometimes went home once a month
有时候一个月回家一趟

will meet once a month on average
平均每个月都要见一次

recently was maintaining once a month frequency
最近都保持着一个月来一次的频率

meetings take place approximately once a month.
会议约每月举行一次。

at least once a month, but not every week
至少一个月一次，但不是每周

:: at least once a month but not every week
· 每月至少一次，但非每周

the committee met once a month for eight months.
该委员会在8个月中每月开会一次。

these distribution cycles are held approximately once a month.
此种分发活动大约每月举行一次。

it currently comprises 29 representatives and meets once a month.
目前有29名代表，每月开会一次。

12 electronic updates to support peers (once a month)
* 以电子方式向支助同伴发送了12次最新情况通告(每月一次)

7. the council is required to meet at least once a month.
7. 要求岛议会每个月至少举行一次会议。

to keep you account active please log in at least once a month.
为保持账户活跃 ，请至少每月登录一次。

10. the island council is required to meet at least once a month.
10. 要求岛屿理事会至少每月举行一次会议。