hartshornn.
英 'hɑːts,hɔːn | 美 'hɑrts,hɔrn
中文n. 鹿角精；鹿角；氨水溶液
词根词源
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.
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