calendar plate

例句：

1. 1. The calendar plate on the wall is a reminder of the seasons.
   墙上的日历盘是季节的提醒。
2. 2.The sundial on the porch shows the time when it was first installed.
   门廊上的日晷显示了它首次安装的时间。
3. 3. She used the calendar plate to mark the days of the week.
   她用日历盘标记了一周的日子。