Pentabromination
五溴化反应
🗣️ 情景例句
and I love being with your family so much ...
我也很喜欢和你们家人在一起 ……
What do you do besides eating?
除了吃，你还会做什么？
Let me take a look at your shoulder. Where does it hurt?
让我看看你的肩膀。哪里疼？