去看英语的解释，少看翻译
n.
1.the number 9
2.something in a numbered series, e.g. a playing card, with a value of 9
3.a team of nine baseball players
4.half of the total number of holes on a golf course, usually called the front nine or the back nine
5.a group of nine objects or people
发表于 2019-4-10 21:31:38
