《天工开物·上篇·彰施》
槐树生长十几年后才能开花结果，它最初长出的花还没开放时叫做槐蕊，就像染红色要用红花一样，染绿衣服要用到它。
凡槐树十余年后方生花实。花初试未开者曰槐蕊，绿衣所需，犹红花之成红也。
Acacia trees need to be grown for a dozen or so years before they can flower and bear fruit. The flowers that first grow from them are known as acacia pistils before they bloom. Like red safflowers are used to dye red, these can be used to dye clothes green.
<s>[INST] Translate the following Classical Chinese text into English: 凡槐树十余年后方生花实。花初试未开者曰槐蕊，绿衣所需，犹红花之成红也。 [/INST] Acacia trees need to be grown for a dozen or so years before they can flower and bear fruit. The flowers that first grow from them are known as acacia pistils before they bloom. Like red safflowers are used to dye red, these can be used to dye clothes green.</s>
Translate the following Classical Chinese text into English: 凡槐树十余年后方生花实。花初试未开者曰槐蕊，绿衣所需，犹红花之成红也。
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Acacia trees need to be grown for a dozen or so years before they can flower and bear fruit. The flowers that first grow from them are known as acacia pistils before they bloom. Like red safflowers are used to dye red, these can be used to dye clothes green.
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