Children in Britain can work two hours a day at the most on a school day but not during school hours.

在英国的上学日，除去上课时间，孩子们最多可以每天工作两小时。

youdao

Tidy dresses on a school day.

上学穿着干净的连衣裙。

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The school's case is that Mr Frederick was at a school-approved event on a school day, so the principal was entitled to tell him what to do.

学校方面认为：弗雷德里克是在教学日参与到这项经批准的事件当中的，所以，校长有权告诉他要做什么。

youdao

On Wednesday, Mister Obama marked his one hundredth day by speaking at a school in the state of Missouri.

VOA: special.2009.05.02

If you walk into a class with 5th graders, who on day one are years behind where they should be and hate school and are kind of like to hate you because of it.

如果你走进一个五年级教室，学生们从第一天开始就落后很多,恨学校，因此也恨你。

哈佛公开课 - 幸福课课程节选

The school held a Watson watch party on the final day of the "Jeopardy!" competition.

VOA: special.2011.02.28

When I was a kid growing up in Hot Springs, Arkansas, we had a great guy who had a bar, and at noon he quit serving beer on a school day so the kids could come in and have sandwiches.

WHITEHOUSE: The White House

Teachers at a West Yorkshire school have gone on strike in a second day of protest over proposals to turn the school into an academy.

BBC: Prince Henry's Grammar School strike over academy plan

Sitting on a hard foam wedge on chairs during the school day reduced back pain in teens by 58% compared with those not using the wedge, says a report in the journal Physiotherapy.

WSJ: Back Pain: Not Just for Adults