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ZH心材Noun
EN
The older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
中心木材树干
bn:00029165n Concept
ZH
心材(Heart wood)指樹幹中央部分的木材,是老化的木質部,位於髓心與邊材之間。
bn:15459349n Concept
bn:12413668n Concept