toxic agent的用法和樣例：
例句
- Inflammation of the liver, caused by infectious or toxic agents and characterized by jaundice, fever, liver enlargement, and abdominal pain.
肝炎肝部發炎，由傳染性或有毒性因素引起。癥狀為黃疸、發燒、肝部腫大和腹疼 - The part of a gas mask that contains the filter for removing toxic agents from the air.
濾毒罐防毒面具的一部分，含有過濾裝置，能將有毒成分從空氣中除去
