on the assumption of 基于……的假设
test the hypothesis 验证假设
under certain assumptions 在某些假设下
based on suppositions 基于猜想
challenge suppositions 挑战预设
1. The scientist tested his suppositions through rigorous experiments.
科学家通过严格的实验测试了他的假设。
2. Our entire plan rests on several key suppositions.
我们的整个计划建立在几个关键假设之上。
3. Don't base your decisions on mere suppositions.
不要仅凭猜想来做决定。
A: Are the conclusions based on facts or just suppositions?
A：这些结论是基于事实还是仅仅是猜想？
B: Mostly facts, but there are a few unverified suppositions.
B：大部分是事实，但有几个未经验证的假设。
1) 假设、假定
2) 前提条件
3) 猜测、推测
1. 假设；猜想
e.g. He built his theory on shaky suppositions.
他在不稳固的假设上建立了他的理论。
2. 前提
e.g. The argument fails if we reject its basic suppositions.
如果我们拒绝其基本前提，这个论点就会失败。
noun
1. a thing that is supposed or assumed to be true, without proof or certainty.
Synonym: hypothesis, assumption, premise, conjecture