supposedly
adv. 据说,据传
例句
The novel is supposedly based on a true story.
据说这部小说是以一个真实的故事为依据的。
《牛津词典》
There's supposedly an alligator in one of their bathtubs.
据说有一条鳄鱼在他们的浴缸里。
Dickens's mother supposedly came from a more respectable family.
据说狄更斯的母亲来自一个更有名望的家庭。