| 释义 |
tympanum/ˈtimpənəm/n. (pl. tympanums or tympana /-nə/) 1 Anat. 【解】a the middle ear 中耳 b the tympanic membrane 鼓膜，耳膜 2 Zool. the membrane covering the hearing organ on the leg etc. of an insect 【动】鸣腔(覆盖在昆虫腿部及其他部位上听觉器官的鼓膜) 3 Archit. 【建】a a vertical triangular space forming the centre of a pediment 山墙饰内的三角面部分 b a similar space over a door between the lintel and the arch; a carving on this space 拉梁和拱圈间的弧形部分；(该部位上的)雕饰 4 a drum-wheel etc. for raising water from a stream (从溪水中提水的)鼓形水车 [Latin from Greek tumpanon ‘drum’, from tuptō ‘strike’] |