开心往前飞tt
比例: [ bǐ lì ] 1. proportion2. scale其它相关解释: 例句与用法: 1. 这幅画比例失调。 This painting lacks proportion. 2. 男学生和女学生的比例是2比1。 The ratio of schoolboys to schoolgirls is 2 to 1. 3. 她的头部与身体大小不成比例。 Her head is out of proportion to the size of her body. 4. 进口与出口的比例（入超）令政府担忧. The proportion of imports to exports (ie excess of imports over exports) is worrying the government. 5. 酬金将与工作量成比例. Payment will be proportional to the amount of work done. 6. 报酬将与工作量成比例, 而不是与花费的时间成比例. Payment will be in proportion to the work done, not to the time spent doing it. 7. 前景中的马画得不成比例. The figures of the horses in the foreground are out of proportion. 8. 要把前景中的人物画得合比例. Try to draw the figures in the foreground in proportion.
雅轩0310
百分数 percent， 百分之20， twenty percent 分数3/4， three fourths, 或者 three quarters 三价铁离子，Iron(III) ion，读做 iron three ion 或者ferric ion也可以 比例， ratio， proportion 3：4 是 three over four
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