Tannide
鞣酸酐
🗣️ 情景例句
My father is a forensic psychologist.
我爸爸是一个犯罪心理学家。
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
Let me help you. Do it like this.
我来帮你，要这样做。