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n.脊柱；脊椎；（动植物的）刺；书脊 变形： 复数：spines 双语释义：n.(名词)[C] 脊柱;脊椎 row of bones along the back of humans and some animals;backbone[C] (动植物的)刺,刺毛 any of the sharp needle-like parts on some plants (e.g. cactuses) and animals (e.g. porcupines,hedgehogs)[C] 书脊 back part o
