Stereomutation
立体变硬, 体积改变
🗣️ 情景例句
Oh, this is my father. He's a doctor.
噢， 这是我父亲， 他是一名医生。
That's great!
真棒！
What do I have to do if I want to be thinner?
如果我想瘦一点的话，我得怎么做呢？”