protrusion

名词 protrusion:

1. something that bulges out or is protuberant or projects from its surroundings
   同义词：bulge, bump, hump, gibbosity, gibbousness, jut, prominence, protuberance, extrusion, excrescence
2. the act of projecting out from something
   同义词：projection, jut, jutting

1. Thumb-sucking can cause protrusion of the teeth.
   经常吮吸拇指能使牙齿向外突出。

pro.tru.sion

n.（名词）

The act of protruding.
伸出：伸出的动作
The state of being protruded.
突出：被伸出的状态
Something that protrudes.
突出体：突出的物体

来源：
Latin prôtrôsus [past participle of] prôtrôdere [to protrude] * see protrude
拉丁语 prôtrôsus [] prôtrôdere的过去分词 [伸出] *参见 protrude
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