Drex
德勒克斯（纺织工业中使用的单位）
🗣️ 情景例句
As a matter of fact,
事实上，
Can anybody scratch my back for me?
有人来替我搔背吗？
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。