speaking of which編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看speaking of whichspeaking of which — 副詞副詞1. used to introduce a related topic that has just been mentioned1.副詞釋義說到這個used to introduce a related topic that has just been mentioned例句We need to go shopping. Speaking of which, did you pick up milk?