評論
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profit
n.利潤 vt.對......有利 vi.獲利
He made a handsome profit from the sale.
他從這次買賣中得到可觀的利潤。
It will not profit you at all to do such a thing.
做這樣的事將對你毫無益處。
A wise person profits from his mistakes.
聰明的人會從錯誤中獲益。——諺語
muscle
n.肌肉（可數）
To tone up your muscles, you should exercise on a regular basis.
為了鍛煉你的肌肉，你應該規律地運動。
flesh
n.(人)肉
Eating human flesh is considered barbarous.
吃人肉被認為很野蠻。
average
a.一般的 n.平均
The average age of my students is fifteen.
我的學生平均年齡是15歲。
On average, we work five hours overtime each week.
平均而言，我們一星期加班5小時。
Most students in this class are of average intelligence.
這班級大部分學生的智力都很平常。
The workaholic works an average of 16 hours a day. The workaholic works 16 hours a day on average.
這個工作狂每天平均工作16小時。
dust
n.灰塵 vt.除去……的灰塵
There is so much dust on the table.
桌上有很多灰塵。
I used a feather duster to dust the table.
我用雞毛撣子把桌上的灰塵撣掉。
dirt
n.泥土；臟東西；灰塵
I'm afraid your sneakers need to be washed because they're covered with dirt.
你的球鞋都是泥巴，恐怕得洗了。
author
n.(某本書或文章的）作者
The author of the novel is a very famous writer.
這本小說的作者是位很有名的作家。
automobile
n.汽車
I can't afford a brand-new automobile, so I'm going to buy a used one.
我買不起全新的汽車，因此我打算要買一臺二手的。
vehicle
n.車輛；任何有輪子的運載工具
The number of motor vehicles on the roads rose by 30% last year.
去年道路車輛的數量成長了 30%。
headquarters
n.總部（單復數同形；縮寫為HQ)
Gangsters surrounded the police headquarters last night.
幫派分子昨晚包圍警備總部。
