Byers, 46, a running coach and event manager from Long Beach, California, who has run 75 marathons since 2004 in bare feet.是什么意思_Byers, 46, a running coach and event manager from Long Beach, California, who has run 75 marathons since 2004 in bare feet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句