eight

名词 eight:

1. the cardinal number that is the sum of seven and one
   同义词：8, VIII, eighter, eighter from Decatur, octad, ogdoad, octonary, octet
2. a group of United States painters founded in 1907 and noted for their realistic depictions of sordid aspects of city life
   同义词：Ashcan School

形容词 eight:

1. being one more than seven
   同义词：8, viii

1. I'm hardly functional if I don't get eight hours' sleep!
   我要是不睡上八个小时就无法工作。
2. You are restricted to eight liters of duty-free wine.
   携带的免税酒不得超过八升。
3. There are eight forts in this section of the Great Wall.
   这一段长城有八个垛口。
4. Five members voted for the proposal, eight voted against, and two abstained.
   对于这项建议，五人投票赞成，八人反对，两人弃权。
5. I am sorry, you can only buy traveler's check at Window Eight.
   对不起，你只能在八号窗口买旅行支票。
6. His eight sons largely inherited his fortune.
   他的八个儿子继承了他的大部分遗产。
7. There are eight students in the classroom.
   教室里有八个学生。

eight

n.（名词）
The cardinal number equal to 7 + .
八：等于7+的基数
The eighth in a set or sequence.
第八：一组或一列顺序中的第八个
Something having eight parts, units, or members, especially:
八个一组：有八个部分或成员的东西，尤指：
Sports An eight-oared racing shell.
【体育运动】 八桨的划船队
An eight-cylinder engine or motor vehicle.
八汽缸发动机或八汽缸汽车

来源：
Middle English eighte
中古英语 eighte
from Old English eahta * see oktô(u)
源自 古英语 eahta *参见 oktô(u)

【引伸】
eight
adj.（形容词）
pron.（代词）