hypothesis假说，假设 【逻辑】例：Work will now begin to test the hypothesis in rats.在老鼠身上验证这一假设的工作现在要开始了。

assumption 假定；设想 （为当然的事情；假定，设想；臆断）例:He based his assumption of her guilt on the fact that she had no alibi.他以她不在犯罪现场的事实为根据做出她犯罪的假定。