Obtusinol
羟甲丁烯氧基甲氧基螺十一烷醇
🗣️ 情景例句
I have learned the most important language by meeting a wide range of people from different cultures.
我接触到许多来自不同文化的人，掌握了最重要的语言。
We can offer door-to-door delivery services.
我们可提供送货上门服务。
Good morning, Mr. Zhang. I'm sorry to trouble you.
早上好，张先生。很抱歉打扰您。