Levorphan
左吗喃; 羟甲左吗喃
🗣️ 情景例句
I heard you cheated on your exams.
我听说你考试作弊了。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
Dancing proved to be more than the dish could bear, for during the party it capsized and sank in seven feet of water.
舞会进行过程中，盘子倾覆，沉入了7英尺深的水中。