shí jiān
地球自转一周的时间是二十四小时
dìqiú zìzhuàn yī zhōu de shíjiān shì èrshísì xiǎoshí
The time it takes for the Earth to complete one rotation is twenty-four hours
盖这么一所房子要多少时间？
gài zhème yī suǒ fángzi yào duōshao shíjiān?
How much time does it take to build such a house?
现在的时间是三点十五分。
xiànzài de shíjiān shì sān diǎn shíwǔ fēn
The current time is three fifteen