proportional
/prəʊˈpɔːʃənəl/adjective
1- corresponding in size or amount to something else成比例的, 比例的：
the punishment should be proportional to the crime.
惩罚应当与罪行成比例。
1.1
- Mathematics (of a variable quantity) having a constant ratio to another quantity【数】成常比的。
派生词
proportionality
nounproportionally
adverb词源
late Middle English: from late Latin proportionalis,from proportio（n-） （see PROPORTION）.