toxic agent的用法和样例：
例句
- Inflammation of the liver, caused by infectious or toxic agents and characterized by jaundice, fever, liver enlargement, and abdominal pain.
肝炎肝部发炎，由传染性或有毒性因素引起。症状为黄疸、发烧、肝部肿大和腹疼 - The part of a gas mask that contains the filter for removing toxic agents from the air.
滤毒罐防毒面具的一部分，含有过滤装置，能将有毒成分从空气中除去
