youdao

That newspaper story was posted on the main bulletin board at school, where everyone could see it.

报纸上的那篇报道登在学校的主要布告栏上，人人都能看到它。

youdao

When posting an email to an email list or bulletin board, do not give out your main email address.

当发邮件到电子邮件列表或公告栏时，不要公布你的主要邮件地址。

youdao

Each regional unit will be headed by a main board director of Aggreko.

BBC: Aggreko to create new global management structure

Mr Matthews, famous for his "bootiful" catchphrase, stepped down from the company's main board of directors in January on his 80th birthday.

BBC: Turkey tycoon Bernard Matthews dies

Set up in 1993 under the Welsh Language Act, the board's main aim has been to promote the use of the Welsh language.

BBC: NEWS | UK | Wales | Language demo branded 'bullying'