基本解释n.天鵞的羢毛；用於做嬰兒衣服的柔軟的佈料同根派生 英汉例句用作名詞 (n.)He was as light and buoyant as swansdown, prey to any breeze that might carry him away, might waft him up to that golden gleam.他覺得自己輕飄飄得就象天鵞的羢毛，祈求著微風把他帶走，把他送到那片金光裡。