WeinertˈwaɪnərtCOCA¹⁷³⁷¹⁸ 基本例句 n.韦纳特¹⁰⁰ “ The battery is the key limiting factor, ” says Jonathan Weinert, a transportation expert who wrote his doctoral dissertation on electric bikes in China. “电瓶是关键的影响发展的因素，”乔纳森.维内特说，他是一位交通专家，博士论文写的是中国的电动自行车。 yeeyan