assumption/ə'sʌmp∫ən/

n. the act of assuming

n. [C; U] 假定，假设；认为：[assumption that ...] Their plan was based on the assumption that everything was going well. 他们的计划是以一切均进展顺利的假设为基础的。

构词assume + p + -tion

音组-ption/-p∫ən/

assumption; caption; description; prescription; reception