sink back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sink backsink back — 動詞動詞1. to move into a lying or sitting position, especially when tired or relaxed1.動詞釋義躺回to move into a lying or sitting position, especially when tired or relaxed例句She sank back into the cushions with a sigh.