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1. pacemaker n. 引導者, [醫]心臟起搏器
2. cardiovascular adj. 心臟血管的
3. cremation n. 火化, 火葬
4. sanitation n.公共衛生，衛生設施
5. humanitarian n. 人道主義者, 博愛者, 基督凡人論者 adj. 人道主義的, 博愛的, 相信基督為凡人的
6. repurpose v. 為 ... 改變用途, 改換意圖
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60秒科學:一個起搏器 一陣心跳
時間:2010-10-25 11:24:51 來源:scientificamerican 編輯:keke 每天三分鐘英語輕松學
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