| 单词 | protrusion |
| 例句 | protrusion noun 1.•the neck vertebrae have short vertical protrusions:bump, lump, knob | protuberance, projection, prominence, swelling, eminence, outcrop, outgrowth, jut, jag, snag | ledge, shelf, ridge. 2.•protrusion of the lips:sticking out, jutting, projection, obtrusion, prominence | swelling, bulging. |
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