1·She teaches a class of 35 pupils.
她任教的班有35个小学生。
2·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。
3·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。
4·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。
5·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”。
6·He and other biologists studying a wide variety of organisms have found that these particular RNA's direct, in large part, the synthesis of histones, a class of proteins that bind to DNA.
他和其他研究多种生物的生物学家发现，这些特殊的 RNA 在很大程度上直接影响组蛋白的合成，组蛋白是一类与 DNA 结合的蛋白质。
7·Create a UML model having a class of Class1.
创建一个拥有Class1类的uml模型。
8·From a class of twenty boys, he had selected three.
从二十个男生里，他挑选出了三个。
9·Finally, there's the second img, with a class of "preview."
最后，是第二个img，带“preview”类。
10·Monkeyrunner: a class of utility methods for monkeyrunner programs.
一个为monkeyrunner程序提供工具方法的类。