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綠化
詞典解釋：◎綠化lǜhuà(1)[makegreenbyplantingtrees,flowers,etc.;clothwithgreenage]∶使…變?yōu)榫G色,廣泛種植花草樹木,使環(huán)境優(yōu)美衛(wèi)生,防止水土流失植樹造林,綠化祖國(2)[afforest]∶種植樹木花草綠化山區(qū)
