单词 | dorsum |
释义 | dorsum/ˈdɔːsəm![]() noun (plural dorsa) Anatomy & Zoology The dorsal part of an organism or structure.Toothbrushing lasted for approximately five minutes after each meal and included brushing the teeth, the dorsum of the tongue, and the palatal and mandibular mucosa....
OriginLate 18th century (denoting a long hill or ridge): from Latin, 'back'. |
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