Catecholtannins
儿茶酚丹宁
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
Got all in a panic.
惊恐万分。
Some so-called 'modern' pieces have been on display for nearly eighty years.
有些所谓的“现代”艺术品在那里已经陈列了近80年了。