赖氨酸 Traditional 賴氨酸 lài ān suān 🔊 lysine (Lys), an essential amino acid + Keep this word Meanings lài ān suān 賴氨酸 lysine (Lys), an essential amino acid Its characters 赖làito depend onHSK 6氨ānammonia酸suānsourHSK 4