Bilayer structure
[化] 双层结构
🧩 词语组成解析
[机] 双分子层
🗣️ 情景例句
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
A mother's love never changes.
母爱永恒。
I can't get through.
我打不通。