例句
The delivery fee is proportional to the parcel's weight.
运费与包裹的重量成正比。
Environmental taxes should be proportional to the damage caused, encouraging businesses to adopt cleaner production methods.
环境税应与造成的损害相称，从而鼓励企业采用更清洁的生产方式。
常用搭配
- directly proportional to｜与……成正比
- inversely proportional to｜与……成反比
- proportional representation｜比例代表制
词形与相关词
proportion (n.) · proportionally (adv.) · disproportionate (adj.) · proportionality (n.)
用法提示
常与to搭配；成正比用directly proportional to。