Bilayer structure
[化] 双层结构
🧩 词语组成解析
[机] 双分子层
🗣️ 情景例句
My wife Marilyn, my father and mother,
我太太Marilyn， 我父亲和母亲，
As soon as you have drunk, you turn your back upon the spring.
忘恩负义。
What time will the next train leave?
下一班火车什么时候开？