[prə'tru:ʒən]
protrusion
n. 隆起物,突出,伸出,突起部

例句与用法:

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

英英解释:

名词 protrusion:

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