Definition
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比
hi
ある数量と他の数量との比率のこと。
A ratio is the relationship between two quantities, usually expressed as a fraction or proportion.
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このクラスの生徒は男の子と女の子の比が1:2です。
kono kurasu no seito wa otoko no ko to onna no ko no hi ga 1:2 desu.
In this class, the ratio of boys to girls is 1:2.
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水と砂糖の比を変えることで、味が変わります。
mizu to satou no hi o kaeru koto de, aji ga kawarimasu.
By changing the ratio of water to sugar, the taste changes.
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この商品の価格は、品質との比が非常に良いです。
kono shouhin no kakaku wa, hinshitsu to no hi ga hijou ni yoi desu.
The price of this product has a very good ratio to its quality.