Polybromination
多溴化反应
🗣️ 情景例句
Mr. Lu, everything is OK. Your booking is from today through Wendnsday. Single room.
陆先生，没问题的。您从今天订到星期三，单人房。
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，