1N-COUNT [oft NOUN that]假定;假设;设想 A supposition is an idea or statement which someone believes or assumes to be true, although they may have no evidence for it. 假定;假设;设想 [formal]
There's a popular supposition that we're publicly funded but the bulk of our money comes from competitive contracts.
人们普遍认为我们是受公共基金的资助,然而我们大部分资金是通过签订竞争性合同得来的。
But as with many such suppositions in natural history, no one had ever tested it.
2N-UNCOUNT 毫无根据的想法;无稽之谈 You can describe someone's ideas or statements as supposition if you disapprove of the fact that they have no evidence to support them. 毫无根据的想法;无稽之谈 [disapproval]
The report has been rejected by the authorities, who said much of it was based on supposition or inaccuracy.