日晷

guī biǎo rì guǐ lòu kè děng jì shí yí qì de fā míng hé yìng yòng zhèng míng zhōng huá mín zú shì gè chōng mǎn zhì huì de mín zú

圭表、日晷、漏刻等计时仪器的发明和应用，证明中华民族是个充满智慧的民族。

The invention and use of the gnomon-and-ruler, sundial, clepsydra and other time-measuring machines is evidence of Chinese wisdom.