paddle wheel
noun [ C ] uk/ˈpæd.əl ˌwiːl/ us/ˈpæd.əl ˌwiːl/
（船的）明轮，桨轮
a type of wheel with small flat blades attached around the edge that makes a boat move through the water or that operates a piece of machinery
江苏热线英汉汉英双解词典包含207361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。