名詞 month:

1. one of the twelve divisions of the calendar year
   同義詞：calendar month
2. a time unit of approximately 30 days

1. He shut himself away for a month to catch up on his academic work.
   他與世隔絕一個月，力圖把功課趕上去。
2. We're paying out 300 a month on our mortgage.
   我們每 月要付300英鎊抵押貸款。
3. July is the hottest month in a year in my hometown.
   在我的家鄉(xiāng)，七月是一年里最熱的一月。
4. He's asking 80 a month rent for that flat.
   那套房間月租他要80英鎊。
5. His baby is six months old.
   他的孩子有六個月大了。

month

n.Abbr. m.,mo.（名詞）縮寫 m.,mo.
A unit of time corresponding approximately to one cycle of the moon`s phases, or about 30 days or 4 weeks.
月：大約和月亮盈虧的一個周期相當(dāng)?shù)臅r間單位，或約三十天或四周
One of the 2 divisions of a year as determined by a calendar, especially the Gregorian calendar.Also called calendar month
月份：由日歷確定、尤指由公歷確定的將一年分為十二份之一也作 calendar month
A period extending from a date in one calendar month to the corresponding date in the following month.
一個月的時間：從日歷上某月的一天到下個月這一天的一段時間
A sidereal month.
恒星月
A lunar month.
太陰月
A solar month.
太陽月

<習(xí)慣用語>month of Sundays【非正式用語】
An indefinitely long period of time:
一段很長但不確定的時間：
例句：
It will take you a month of Sundays to chop all that wood.
你得花費很長時間才能劈完所有的柴

來源：
Middle English moneth
中古英語 moneth
from Old English mônath * see mô- 2
源自 古英語 mônath *參見 mô- 2

The singularmonth, preceded by a numeral (or number) and a hyphen, is used as a compound attributive:
單數(shù)的month 之前跟一個數(shù)詞（或數(shù)字）和一個連字符， 被用作復(fù)合定語：
例句：
a three-month vacation.
三個月的假期。

The plural possessive form without a hyphen is also possible:
不帶連字符的復(fù)數(shù)所有格形式也可以：
例句：
a three months` vacation.
三個月的假期