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direct proportionX is directly proportional to Y.X与Y成正比。
Samantna523
Giving and taking are proportional to each other.
洛雪吟风
in proportion to /with
阿拉丁摸神灯
是成正比的It's proportional to it proportional 英[prəˈpɔ:ʃənl] 美[prəˈpɔ:rʃənl] adj. 比例的,成比例的; 相称的,均衡的; n. [数] 比例项,比例量;
vera911213
Giving is always proportionate to taking.
爱林公主
directly proportional反比是inversely proportional
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