day

day

名词 day:

time for Earth to make a complete rotation on its axis

同义词：twenty-four hours, twenty-four hour period, 24-hour interval, solar day, mean solar day

some point or period in time

the time after sunrise and before sunset while it is light outside

同义词：daytime, daylight

a day assigned to a particular purpose or observance

the recurring hours when you are not sleeping (especially those when you are working)

an era of existence or influence

a period of opportunity

the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis

the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

同义词：sidereal day

United States writer best known for his autobiographical works (1874-1935)

同义词：Clarence Day, Clarence Shepard Day Jr.