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。
Harbour staff noticed that measurements given for the same class of boats often varied.
港口员工们注意到对同一类小船所给出的尺寸经常不同。
She teaches a class of 35 pupils.
她任教的班有35个小学生。
There sure are a lot of you in the class of 2002!
你们2002届的毕业生真是多！
To this class of substance belong mica, porcelain, quartz, glass, wood, etc.
属于这类物质的有云母、瓷器、石英、玻璃、木材等等。
In a class of 60 children, it is easy for some to slip through the net and learn nothing.
在有60个孩子的班级里，有些孩子容易被忽视，什么也学不到。
Yet in museums, fine period rooms give only an image of the lifestyle of the upper class of that era.
然而，在博物馆里，精致的年代房只能反映那个时代上层阶级的生活方式。
This summer, Wilson Wong will lead a class of rising fifth-graders at a day camp dedicated to Chinese culture and the Chinese American community in Oakland, California.
今年夏天，威尔逊·王(Wilson Wong)将带领一个五年级新生班级参加一个以中国文化以及华裔群体为主题的日间夏令营，该夏令营在在加利福尼亚州奥克兰市举办。
States had at least three social levels, usually, an upper class of rulers, a middleclass comprised of managers and merchants, and a lower class of crop producers and agricultural laborers.
国家中至少有三种社会阶层，上层阶级（执政），中产阶级（商人，管理者）和下层阶级（农民，工人）。
These two members of Yale's Class of '57 never miss a reunion.
这两位耶鲁57届的同学从未错过一次重聚联欢会。
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%。
They belong to a class of sugar-based chemical compounds, also known as flavonoids.
它们属于一类糖基化合物，这种化合物也被称为黄酮。
After the last class of every day, the students sent these photos to the school's public WeChat.
每天最后一节课结束后，学生们把这些照片发到学校的公共微信上。
Studies of plants have now identified a new class of regulatory molecules called oligosaccharins.
对植物的研究已经发现了一种叫做寡糖的新一类调节分子。
Over the past few decades a unique class of satellites has been created that fits the bill: CubeSats.
在过去的几十年里，一种独特的卫星应运而生：立方体卫星。
One of the girls wore a cap of two staring colors, denoting the class of persons to which she belonged.
其中一个女孩子戴着一顶帽子，帽子上两种颜色对比鲜明，这代表她的阶层。
And these industries were large enough to offer jobs to each class of worker, from unskilled laborer to manager or engineer.
这些行业的规模足够大，可以为每一类工人提供工作，从非技术工人到经理或工程师。
Specially, science fiction is a sub-class of prose fiction, for nearly every piece of science fiction is either a short story or a novel.
特别是，科幻小说是散文小说的一个子类，因为几乎每一部科幻小说都是短篇小说或长篇小说。
Especially, science fiction is a sub-class of prose fiction, for nearly every piece of science fiction is either a short story or a novel.
特别是，科幻小说是散文小说的一个子类，因为几乎每一部科幻小说都是短篇或长篇小说。
Founder mutations are a class of disease-causing genetic mutations, each derived from its own ancestral "founder" in whom the mutation originated.
创始者突变是一类引起疾病的基因突变，每一种都源自其自身祖先的“创始者”。
Thank you! Thank you for Principal Xu, all the teachers and most importantly, the class of 2019. If I can't make my speech fantastic, I will at least try to make it short.
谢谢你！感谢徐校长，感谢所有的老师，最重要的是，感谢2019级的同学们。如果我不能把我的演讲讲得精彩，我至少会试着把它讲得简短些。
While studying the genetic makeup of corn, a new class of mutant genes was discovered by Barbara McClintock, a discovery which led to greater understanding of cell differentiation.
在研究玉米的基因构成时，芭芭拉·麦克林托克发现了一种新的突变基因，这一发现使人们对细胞分化有了更深入的了解。
That shift, in turn, place an unprecedented premium on "knowledge workers", a new class of wealthy, educated, and mobile people who view themselves as free agents in a seller's market.
反过来，这种转变又给“知识工人”带来了前所未有的好处，这是一个新的阶层，由富有、受过教育、流动性强的人组成，他们认为自己是卖方市场上的自由代理人。
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