我写信呼吁大家的帮助。

I am writing to ask for your help.

youdao

施展的许多技巧包括呼吁（例如：写信），媒体和宣传活动以及公开演示等。

Many techniques are deployed such as direct appeals (for example, letter writing), media and publicity work and public demonstrations.

youdao

研究人员写信给公共卫生部长Dawn Primarolo，呼吁将酒精性脑损伤提升到酒精性肝损伤相同的重视度。

The researchers have written to public health minister Dawn Primarolo, to call for alcohol -related brain damage to be put on the same footing liver problems caused by heavy drinking.

youdao