Cetanol
鲸蜡醇, 十六(烷)醇
🗣️ 情景例句
Don't worry, be happy.
别担心，开心点。
This airline has a good safety record.
这家航空公司有很好的飞行安全记录。
No,you mustn't eat anything until you see the doctor.
不行，看医生之前你不可以吃任何东西。