bearing premature的用法和樣例：
例句
- These patients generally have many atrial premature beats noted on Holter monitoring.
通過動態心電圖觀察到這些患者普遍存在較多的心房早搏。 - Long-term isoproterenol infusion also induced premature entricular contractions and atrioentricular heart block in junctin-null mice.
長期異丙腎上腺素輸入也可在連接素缺陷小鼠誘發室性期前收縮和房室傳導阻滯。
