However, in the latter case, levels of the chemical were found to be 0.35-0.55 milligrams per kg, below an acceptable standard of 1 milligram per kg, Wicharn said.是什么意思_However, in the latter case, levels of the chemical were found to be 0.35-0.55 milligrams per kg, below an acceptable standard of 1 milligram per kg, Wicharn said.在线翻译_英语_读音_用法_例句