Mean | The period of time during which Earth completes a single revolution around the sun, consisting of 365 days, 5 hours, 49 minutes, and 12 seconds of mean solar time. |
[Áß2] Áß¾Ó | 1. He could go to school for only one year. [10°ú] 2. The Women's World Cup is held every four years, you know. [7°ú] 3. How shall I start my new school year? [1°ú] 4. He failed his college entrance exam, but passed it a year later. [10°ú] 5. Tomorrow is the first day of my second year. [1°ú]
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