Pentabromization
[化] 五溴化反应
🗣️ 情景例句
I cannot forgive myself for not seeing my mother when she was sick in bed.
母亲病的时候我没能去看她，为这件事我永远不能原谅我自己。
Flowers make no difference to a room.
一个房间里有没有鲜花并没有很大的差别。
Not at the moment.There's too much ice.
眼下没有。地上冰太多了。