sun time clock

例句：

1. 1. The sun time clock onthe wall shows the current time.
   墙上的太阳时间钟显示当前时间。
2. 2. He setup a sun time clock in his gardento track the daily growth of his plants.
   他在花园里安装了一台太阳时间钟，用来记录植物每天的生长情况。
3. 3. Thesun time clock was used to measure theduration of the day accurately.
   太阳时间钟被用来准确地测量一天的时长。