pacemakerKK [ˋpeˏsmekɚ] /ˈpeɪˌsmeɪkɚ/發音名詞1心律調節器、心臟節律器醫學The doctor fitted her with a pacemaker to steady her heartbeat.醫生為她裝了心律調節器,以穩定心跳。2領跑者、帶頭者The pacemaker dropped out after leading for two laps.那名領跑者帶頭跑了兩圈後就退出了。3領導者、標竿The company has long been a pacemaker in green technology.這家公司長久以來都是綠色科技的領導者。4節律點、竇房結醫學The heart's natural pacemaker sends out regular electrical signals.心臟的天然節律點會發出規律的電訊號。