| 词汇 | peristalsis |
| 释义 | peristalsis noun [ U ] biology specialized uk/ˌper.ɪˈstæl.sɪs/ us/ˌper.ɪˈstɑːl.sɪs/ 蠕动（消化道肌肉壁所作的反复运动，即张紧而后舒张，推动食物和废物通过身体） the repeated movements made by the muscle walls in the digestive tract tightening and then relaxing that push food and waste through the body |
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