dīyǎnyè pēnwù yàogāo tángjiāng kāifēng hòu bǎocún shíjiān kěnéng yǒuxiàn

滴眼液、喷雾、药膏、糖浆开封后，保存时间可能有限。

Once opened, eye drops, sprays, ointments, and syrups may have a limited shelf life.