calendar intermediate wheel stud

例句：

1. 1. I needto check the date on my calendar.
   我需要查看我的日历上的日期。
2. 2.The new year's eve is celebrated with a big party and a calendar full of events.
   新年前夕庆祝活动盛大，日历上满满的都是活动。
3. 3. She keeps her calendar up-to-date with important appointments.
   她确保她的日历与重要的约会保持同步。