应该让这个班活跃起来。
I've joined an aerobics class.
我参加了有氧健身班。
我在上一个打字班。
He forbids any talking in class.
他严禁课堂上讲话。
We restrict the number of students per class to 10.
我们将每个班的学生人数限定为10人。
Angela says she longs to join an amateur dramatics class.
安吉拉说她渴望参加业余戏剧班。
Each student determines their own pace in the yoga class.
每个学生决定他们自己在这个瑜珈班的学习速度。
They manufacture the class of plastics known as thermoplastic materials.
他们生产被称为热塑材料的塑料类制品。
A curtain acted as a divider between this class and another.
一块窗帘布将这两个班级隔开。
I'd like to join an aerobics class to improve my fitness.
我想进一个有氧运动班来增强我的体质。
Rachel enjoyed the class field trip to the aquarium in Boston.
拉切尔很喜欢她班级去波士顿水族馆的外出活动。
The dancing is uninhibited and as frenzied as an aerobics class.
跳舞都放开了，像健身课那样尽情。
At 12 o'clock the class was dismissed.
12点下课了。
I'd met her briefly in a prenatal class.
我在孕期培训班上匆匆见了她一面。
His uncontrolled behaviour disturbed the entire class.
他不加约束的行为扰乱了全班。
We dissected a frog in biology class.
我们在生物课上解剖了一只青蛙。
We regard health as inversely related to social class.
我们认为健康状况与社会地位成相反关系。
他们按各社会等级进行投票。
Several businessmen had to slum it in economy class.
几个商人只好将就着坐在经济舱里。
Such entertainers were considered lower class and even slightly dishonourable.
这种艺人被认为是低级的，甚至是有些无耻的。
Only 18.8% of the class of 1982 had some kind of diploma four years after high school, versus 45% of the class of 1972.
相对于1972届学生中有45%在中学毕业4年后获得了某种文凭来说，1982届学生的这一比例只有18.8%。
The price includes two economy class airfares from Brisbane to Los Angeles.
费用包括两张从布里斯班到洛杉矶的经济舱机票。
They always stayed in first-class hotels.
他们总是下榻于最高级的宾馆。
They are treated as third-class citizens.
他们被当成三等公民对待。
Seven second-class passengers prepared to disembark.
7名二等舱的旅客准备下船了。
First-class accommodation is available on all flights.
所有班机都备有一等舱位。
She always travels first-class regardless of expense.
无论费用多高她总是乘头等舱。
It was middle-class votes they were pitching for.
他们试图争取的是中产阶级的选票。
Politics is still dominated by the middle-class mafia.
政治仍然操纵在中产阶级帮派手中。
Air France first-class seats recline almost like beds.
法国航空公司头等舱座位的靠背可以向后倾斜得几乎像床一样。
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