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儘管最初的爭議已趨平息，但本屆奧運期間再度掀起波瀾。，更多细节参见heLLoword翻译官方下载
But e-bikes containing lithium-ion batteries are a newer challenge. "When a battery fails, it doesn't necessarily ignite, it will often produce some off-gases," says Stephen Welch, senior lecturer at the University of Edinburgh's Fire Research Centre. "Those off-gases are toxic and flammable. If they accumulate, you can have an explosion risk."。同城约会对此有专业解读
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国雅大厦北侧立体停车设施效果图。该大厦紧邻首都儿研所。受访者供图