n. 【植物；植物学】 1.大叶钻天杨树脂。 2.大叶钻天杨 (Populus balsamifera) (＝tacamahaca, tacmahack)。
poplar of northeastern North America with broad heart-shaped leaves 同义词：balsam poplar, hackmatack, Populus balsamifera,
Tacamahac is the name of medicinal resins, now little used, obtained from several plant sources including Calophyllum tacamahaca and Calophyllum inophyllum.
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