phonocardiograph / ˌfoʊ nəˈkɑr di əˌgræf, -ˌgrɑf /

📖毕业后词汇语音心电图机语音心电图仪心电图机心电图仪

phonocardiograph 的定义

n. 名词 noun

Medicine/Medical.

  1. an instrument for graphically recording the sound of the heartbeat.