liquid agentOur editors are putting together more complete content — check back in about 20 minutesliquid agentliquid agent — noun名詞1. A substance that is liquid and used as an agent, e.g., a cleaning agent or chemi1.名詞釋義A substance that is liquid and used as an agent, e.g., a cleaning agent or chemical agent.例句He used a liquid agent to remove the stain.