Polybromination
多溴化反应
🗣️ 情景例句
I'll be in town next week, maybe you could fit me in.
我下个礼拜会在城里，也许你能安排时间见我。
Sometimes Henry peeps into his sister's diary.
亨利有时候会偷看他姐姐的日记。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？