[{"id":"welcome-part-a-2u3q37","title":"Welcome · Part A","series":"Think L3","duration":421.77,"audioUrl":"/media/audio/welcome-part-a-2u3q37","cuesUrl":"/media/cues/welcome-part-a-2u3q37","status":"ready","createdAt":"2026-07-08T12:12:16.857Z","description":"Alex 被禁玩吉他，顺便讲透 Welcome Unit 五个知识点：let/allow、感官动词、词汇三筐、两种完成时、扫读四步。","accent":"#BF5AF2","artUrl":"/brand/think-l3-welcome-a.jpg"}]