Polysoap
聚皂(高分子表面活性剂)
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
Why are you looking at me?
你为什么看着我？
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。