Polybromocarbon
多溴烃
🗣️ 情景例句
Oh, Miss Li. This is Tom. I didn't recognize your voice.
噢，李小姐。我是汤姆。我没听出你的声音。
He is shocked.
他受到了打击。
If you think it is necessary.
如果你认为有这必要的话。