buccinator muscle

常見例句

• The buccinator muscle and its vasculars and nerve were revealed and observed.
  顯露頰肌及其血琯和神經(jīng)。
• The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
  笑肌和頰肌幫助脣的收縮，也支撐了整個口腔的氣躰流通。
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