Chain fluorination
[建] 链上氟化
🧩 词语组成解析
chain
[tʃen]
n. 链子，链条;连锁，连续;拘束;连锁店或旅馆系列的事物;
vt. 用铁链锁住;监禁，束缚;
n. 氟化作用
🗣️ 情景例句
It's natural.
这是很自然的。
He that has a great nose thinks everybody is speaking of it.
做贼心虚。
How often do you write?
你们隔多久写信？