disorders of heart beat的用法和樣例：
例句
- He has since left for home, with that experimental heart-assist deice that keeps his heart pumping.
安裝之后，他就帶著(zhù)那個(gè)維持他心臟搏動(dòng)的實(shí)驗性心臟輔助裝置回家了。 - Every time he bats an eyelid, every time his heart takes a pumping stroke, cells must provide energy.
每當他眨一眨眼睛，每當他的心臟搏動(dòng)一次，細胞都必須提供能量。
