incisure
incisure[ɪnˈsɪʒə](亦作 incisura ˌɪnsɪˈʒʊərə)(pl. incisures 或 incisurae -riː)- (Anatomy)a deep indentation or notch in an edge or surface
(剖)(边缘或表面的)锯齿形(或V 字形)切迹,切口
语源- late 16th cent.: from Latin incisura, from the verb incidere (see incise)
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