英语释义
2
n a prolonged period of time
3
n the time during which someone's life continues
4
n a period of time containing 365 (or 366) days
5
n a period of time occupying a regular part of a calendar year that is used for some particular activity
6
n the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun
7
n a body of students who graduate together