本帖最后由 WOWWOW 于 2020-10-16 00:34 编辑 : C; Z6 @! K7 @# H
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悬赏3000米:proportion和ratio在概念上有何区别呢? |% X% s6 ^! P3 A( \" r9 Q
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: Q6 q4 O' }+ \5 H( B' b6 c& X6 MThe basicingredients are limestone and clay in the proportion 2:1.基本成分是石灰石和黏土,比例為 2:1。 w( }# J, G2 [" H
2 a8 _2 @+ q! s" h! w8 b1 O3 Q theproportion /ratio of boys to girls in our class is three to one. 我们班男女生的比例是三比一。 " y: d w0 v) _. H1 R+ Q5 L% x
% T( k4 Q$ |) O' A) m% z, r u顺带讲解 proportion和percentage
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