She is in class five, grade five.

她在三年级十班。

youdao

Duoduo: She is in Class Five, Grade One.

多多：她在一年级五班。

youdao

Do you know I have a new friend in Class Five.

你知道我在五班有一个新朋友吗。

youdao

That was when twenty-five students in a class taught by Thomas Zurbuchen first talked about the idea.

VOA: special.2009.02.16

We have students come to five hours' class, in the same room.

学生在同样的教室里，上五小时的课。

麻省理工公开课 - 媒体、教育、市场课程节选

D-A-V-I-D Well, if I've got a five-letter word like D-A-V-I-D, well, that's like five bytes and yet we only have the ability thus far in this class to return one thing at a time I can't return five bytes to you, but wait a minute, those bytes by nature of a computer are just stored in RAM.

好的，如果有5个字母的单词，如，那是5个字节,我们只能返回一个东西,而不能返回5个字节，等一下，这些字节被计算机本能地,存储在内存中。

哈佛公开课 - 计算机科学课程节选

Mr. Campbell, the 14-year-old, started playing after Mr. Sokolski, his teacher at the time, introduced the game to his class in Petawawa five years ago.

WSJ: Table Hockey, on Ice Since Heyday in 1970s, Makes a Comeback

Today the institute gets 100 applicants from China and elsewhere in Asia for each class of 20 in its five-year masters-and-Ph.

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No, its ride-leveling suspension and adaptive dampening won't turn it into a 540i, nor can you completely ignore the fact that it has a four-speed transmission (every other car in this class gets at least five cogs in the shift box) that sends power through the front, not back wheels.

FORBES: Size XL