Tetrabromated
四溴化的
🗣️ 情景例句
I've been there several times.
我到那儿去过好几次。
They called us just as we were having dinner.
当我们正在吃晚饭，他们就打电话给了我们。
I'm afraid I haven't got a larger dress.
恐怕没有更大的了。