Polyinvagination
多向内陷
🗣️ 情景例句
Hi! What happened?
嗨 ！怎么回事？
Before you decide, have a good taste of Marie's cake.
没吃之前先别作决定，且先尝尝玛丽可口的蛋糕。
How was this possible?
这种传递是怎样进行的呢？