心音 [－－]

Jyutping sam1 jam1
Pinyin xīn yīn

Definitions (CC-CEDICT)
  1. sound of the heart
  2. heartbeat
Definitions (Wiktionary)
  1. noun
    heart sound; cardiac sound
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）