month

1. N-COUNT A month is one of the twelve periods of time that a year is divided into, for example January or February. 月份

The trial is due to begin next month. 讅判定於下個月開始。

...an exhibition which opens this month at the Guggenheim Museum. …本月在古根海姆博物館開幕的展覽。

2. N-COUNT A month is a period of about four weeks. 1個月的時間

She was here for a month. 她在這裡呆了1個月。

Over the next several months I met most of her family. 在此後的幾個月中，我見到了她大部分家人。

3. N-COUNT the period of time (sidereal month) taken by the moon to make one complete revolution around the earth, measured between two successive conjunctions with a distant star; 27.321 66 days (approximately 27 days, 7 hours, 43 minutes, 11 seconds) 恒星月(約27天7小時43分11秒)

4. N-COUNT the period of time (tropical month) taken by the moon to return to the same longitude after one complete revolution around the earth; 27.321 58 days (approximately 27 days, 7 hours, 43 minutes, 4.5 seconds) 分至月(約27天7小時43分4.5秒)

5. N-COUNT the period of time (lunar or synodic month) taken by the moon to make one complete revolution around the earth, measured between two successive new moons; 29.530 59 days (approximately 29 days, 12 hours, 44 minutes, 3 seconds) 朔望月(約29天12小時44分3秒) (Also called lunation)