蠕動
The rhythmic contraction and relaxation of the circular and longitudinal muscles of the wall of the alimentary canal to move food forward along the canal (Book 2, p.99)
消化道壁的環肌和縱肌有節奏地收縮和放鬆的過程。
Related term: alimentary canal (消化道)
Pronunciation in English (listen with default application).
