num. 数词第八
n. 名词八分之一
eighth note：八分音符
The pianist played the eighth notes quickly.（钢琴家快速地弹奏八分音符。）
eighth grade：八年级
He is in eighth grade this year.（他今年上八年级。）
eighth wonder：第八大奇迹
The Great Wall is often called the eighth wonder of the world.（长城常被称为世界第八大奇迹。）
eighth month：八月
My birthday is in the eighth month.（我的生日在八月。）
eighth inning：第八局
The game was still tied in the eighth inning.（比赛在第八局时仍然打成平手。）
eighth place：第八名
She finished in eighth place in the race.（她在比赛中获得第八名。）
eighth power：八次方
Two to the eighth power is 256.（2 的八次方是 256。）
eighth day：第八天
On the eighth day, they continued their journey.（在第八天，他们继续他们的旅程。）
eighth floor：八楼
His office is on the eighth floor.（他的办公室在八楼。）
eighth wonder of the world：世界第八大奇迹
The Terracotta Army is considered one of the eighth wonders of the world.（兵马俑被认为是世界第八大奇迹之一。）
eighth hour：第八个小时
At the eighth hour, they took a break.（在第八个小时，他们休息了一下。）
eighth planet：第八颗行星
Neptune is the eighth planet from the sun.（海王星是距离太阳第八远的行星。）
eighth century：八世纪
In the eighth century, there were many great inventions.（在八世纪，有很多伟大的发明。）
eighth month of the year：一年中的第八个月
August is the eighth month of the year.（八月是一年中的第八个月。）
eighth person：第八个人
The eighth person in line was very impatient.（队伍中的第八个人非常不耐烦。）
eighth chapter：第八章
The most exciting part is in the eighth chapter.（最精彩的部分在第八章。）
eighth house：第八宫
In astrology, the eighth house is associated with transformation.（在占星术中，第八宫与转变有关。）
eighth month of pregnancy：怀孕第八个月
She is in the eighth month of pregnancy and feeling very tired.（她怀孕八个月了，感觉非常累。）
eighth anniversary：八周年纪念日
They celebrated their eighth anniversary with a romantic dinner.（他们用一顿浪漫的晚餐庆祝了他们的八周年纪念日。）
