Counterdiffusion
反扩散
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
He hears the violin squeaking.
他听到了小提琴发出的声音。
So how can I help you ? asked the detective.
那么我怎样才能帮你呢？侦探问。