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
What are your strengths?
你的优点是什么？
Hello. May I speak to Mr. Green?
你好，我找格林先生。
Then he put his hand into pocket, and took out a phrasebook.
然后他把手伸进了衣袋，掏出了一本常用语手册。