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hartshorn

英 ['hɑːts,hɔːn] 美 ['hɑrts,hɔrn]

n. 鹿角精；鹿角；氨水溶液

英文词源

hartshorn (n.): "ammonium carbonate," Old English heortes hornes, from hart + horn (n.). So called because a main early source of ammonia was the antlers of harts.