philtrum
n.
dimple in the middle of the upper lip, 1703, medical Latin, from Greek philtron, literally "love charm" (see philtre).
| 词汇 | philtrum | 
| 词根词缀 | Online Etymology Dictionary philtrum n. dimple in the middle of the upper lip, 1703, medical Latin, from Greek philtron, literally "love charm" (see philtre). | 
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