Something, especially a gas or other substance, that is noxious is poisonous or very harmful.(尤指气体或其他物质)有毒的,有害的
harmful and unpleasant有害的;令人不愉快的;讨厌的
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net切換為繁體中文