School begins at 9.

9点开始上课。

《牛津词典》

The school begins in September.

学校九月开学。

youdao

School begins the day after tomorrow.

学校后天开学。

youdao

Cornell honors Cayuga Lake in its school song, which begins: "Far above Cayuga's waters With its waves of blue Stands our noble alma mater Glorious to view."

VOA: special.2009.01.05

"Kids are waiting longer and longer, in many cases until after school begins, to purchase back-to-school products, " Black says.

FORBES: Magazine Article

That rose 5.49% in the last two weeks as the new school year begins.

FORBES: Brazil Gets More Expensive As Inflation Picture Worsens

Every morning Victoria dresses the boys and battles with them over breakfast, before the school day begins.

BBC: 'No-one had heard of my boys' syndrome'