Quarternary structure
[化] 四级结构
🧩 词语组成解析
[计] 四元的
🗣️ 情景例句
Her next book will come out later this month. The name of the book is The Death of a Housewife.
她的下一本书这个月晚些时候出版，书名是《家庭主妇之死》。
What brings you to Beijing?
什么风把你吹到北京来的？
Nice meeting you. Bye-bye.
见到你（也）很高兴。再见。