pacemaker (n.) pacemaker n.帶頭人；〈醫(yī)〉心臟起搏器；定步速者pacemake 起搏區(qū)paced adj.步調(diào)的；步伐的動詞pace的過去式和過去分詞形式.paceboard 祭壇的踏腳板pace-setting technologically advanced enterprises [新聞學(xué)與傳播學(xué)]科技先導(dǎo)型企業(yè)pace-setter n.帶頭人領(lǐng)跑者； 先導(dǎo).pace-schedule 跑速分配計(jì)劃表pace-resetter 節(jié)拍校準(zhǔn)器pace-making n.定步速pace-makers 起搏器pace-maker n.領(lǐng)步人pace-counting 步行pace yourself 自我調(diào)節(jié) 控制節(jié)奏pace up and down 走來走去pace setter pace race pace out 用步子測pace notes pace maker