Pentabromization
[化] 五溴化反应
🗣️ 情景例句
What's it about?
是关于什么的？
Do you remember the boy whose aunt is an actress.
你是否记得那男孩的姑妈是演员？
Hi, Jim! It's a long time since we met last!
你好，吉姆！从我们上次见面后已经很久了！