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(1790–1878), Scottish engineer and Presbyterian minister. In 1816 he invented (with the help of his brother James) a type of external-combustion engine using heated air.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。