名詞 days:

1. the time during which someone's life continues
   同義詞：years

名詞 day:

1. time for Earth to make a complete rotation on its axis
   同義詞：day, twenty-four hours, twenty-four hour period, 24-hour interval, solar day, mean solar day
2. some point or period in time
   同義詞：day
3. the time after sunrise and before sunset while it is light outside
   同義詞：day, daytime, daylight
4. a day assigned to a particular purpose or observance
   同義詞：day
5. the recurring hours when you are not sleeping (especially those when you are working)
   同義詞：day
6. an era of existence or influence
   同義詞：day
7. a period of opportunity
   同義詞：day
8. the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis
   同義詞：day
9. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
   同義詞：sidereal day, day
10. United States writer best known for his autobiographical works (1874-1935)
    同義詞：Day, Clarence Day, Clarence Shepard Day Jr.

1. These bandits were arrested several days ago.
   幾天前，這些歹徒被逮捕了。
2. The days started to lengthen in March.
   白晝在三月里開始變長。
3. Within two days I received a letter of acceptance from the manager.
   不到兩天，我就收到了經理寫來的錄取信。
4. The city was besieged by the enemy for a few days.
   這座城市被敵人圍困了幾天。
5. Payment is due within60 days of the invoice date.
   發(fā)票開出日期起60日之內付款。
6. We shall have meetings on two consecutive days, Monday and Tuesday.
   周一周二連續(xù)兩天我們都將開會。
7. Her fever lasted five days without intermission.
   她連續(xù)五天一直發(fā)燒。
8. After these dry days, everyone hopes for rain.
   干燥的天氣之后，人人都希望下雨。

days

adv.（副詞）
During the daytime on every day or most days:
在白天：每天或大部分日子的白天時間：
例句：
She works days and sings in a band at night.
她在白天工作，并且晚上在一個樂團里唱歌