past preposition, adverb (POSITION)
past preposition, adverb (TIME)
past adjective (TIME BEFORE)
The average temperature worldwide has risen by about one degree Fahrenheit in the past 100 years. 在过去的100年内，全世界的平均气温已上升了大约1华氏度。
- The dog has been her constant companion these past ten years.
- I'm sorry I didn't phone you, but I've been very busy over the past couple of weeks.
- Martin broke his leg playing football and has been on crutches for the past six weeks.
- Economically the country has been improving steadily these past ten years.
- The number of employees in the company has trebled over the past decade.
past adjective (GRAMMAR)
pastnoun [ S ]uk /pɑːst/ us /pæst/
past noun [ S ] (TIME BEFORE)
- Some of the younger pop bands try to imitate their musical heroes from the past.
- In the past, knights used to wear (suits of) armour in battle.
- Giving up your seat to an older person seems to be a thing of the past.
- Today, people are much more concerned about their health than they were in the past.
- He decided to put his failed marriage behind him and make a clean break with the past.