Polybromination
多溴化反应
🗣️ 情景例句
The next thing they'll see is this enlargement with the words Family Album,
他们接着看到的是U.S.A. Family Album, U.S.A.这几个放大的字。
A creaking door hangs long on its hinges.
户枢不蠹。
I'm sorry, I can't find it. I thought it was in my coat.
对不起，我的票找不到了。我原来以为是放在大衣里。