| 单词 | protrusion |
| 释义 | protrusion /proh trooh"zheuhn, preuh-/, n. 1. the act of protruding or the state of being protruded. 2. something that protrudes or projects. [1640-50; < L protrus(us) (ptp. of protrudere to PROTRUDE) + -ION] Syn. 2. jut, projection, bulge, protuberance. |
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