noun🔗Share下巴，颏。 The chin."He tapped his mentum thoughtfully before answering the question. "他沉思着，用手指轻轻敲了敲下巴，然后才回答了问题。anatomybodypartphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share颏，颏突 A chin-like projection below the mouth of certain mollusks."The marine biologist pointed to the small, chin-like projection, explaining, "This clam's mentum helps it burrow into the sand." "海洋生物学家指着那个小小的、像下巴一样的突起，解释道：“这种蛤蜊的颏突帮助它钻进沙子里。”animalbodyanatomyorganismbiologypartChat with AIVocabulary GamePractice Reading
noun🔗Share下唇中片 The central part of the labium in insects."A close-up photograph of the grasshopper's mouth clearly showed the mentum, a key part of its lower lip. "这张近距离拍摄的蚱蜢口部照片清晰地展示了下唇中片，它是其下唇的关键组成部分。insectanatomybiologyorganismpartChat with AIVocabulary GamePractice Reading
noun🔗Share下唇，萼囊突。 A projection in front of the flower in some orchids."The botanist pointed to the orchid, explaining that the mentum, a distinct spur-like projection, helps attract specific pollinators. "那位植物學家指著那朵蘭花，解釋說它前端的下唇（萼囊突），像一個明顯的距狀突起，有助於吸引特定的授粉者。plantbiologypartorganismChat with AIVocabulary GamePractice Reading
