英 [ˈtɪmbəl]
n. 铜鼓；（蝉的）鼓室（等于 timbal）
timbal //
名词 a type of kettledrum 铜鼓
Tymbal (or timbal) is a term for a corrugated exoskeletal structure used to produce sounds in insects. In male cicadas, the tymbals are membranes in the abdomen, responsible for the characteristic sound produced by the insect.
... tycoon 企业界巨头 tymbal 铜鼓 tympan 鼓膜 ...
The song is produced by vibrations of the tymbal driven by alternating contractions of the tymbal muscle on both side.
鼓膜的振动发声是由两侧鼓膜肌交替收缩驱动的。