day and night

同义词：

daylight | daytime | time | date | era | period | sun | day | age | generation | mean solar day | prime | ascendancy | heyday | epoch | solar day | height | fete | jubilee | holiday | of | broad daylight | full sun | diurnal | feast day | holy day | daylight hours | saint's day | natal day | calendar day | red-letter day | sunup | mean | point in time | solar | set time | appointed time | sundown | twenty-four | to | hours | full | sunlight | light | broad | appointed | particular | set | in | sidereal day | point | holy | natal | feast | red-letter |

反义词：

night |