The 50 lethal dose of rat by celiac injection is 670.04 mg/kg , and minimum lethal dose of ora is greater than 2 000 mg/kg.是什么意思_The 50 lethal dose of rat by celiac injection is 670.04 mg/kg , and minimum lethal dose of ora is greater than 2 000 mg/kg.在线翻译_英语_读音_用法_例句