sundial
(noun)
/ˈsʌndaɪəl/
Giải nghĩa:
A tool that uses the shadow of the sun to tell the time
A tool that uses the shadow of the sun to tell the time
Ví dụ:
The ancient Romans used sundials to track the passing hours during the day.
The ancient Romans used sundials to track the passing hours during the day.
Cách sử dụng
A sundial is a device used to tell time by using the sun's position in the sky. It consists of a flat surface with markings that show the time based on the shadow cast by a raised part called a gnomon. Sundials are typically found in outdoor areas such as gardens or parks, and are often used as decorative pieces. They were commonly used before modern clocks were invented.
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