Polyborane
聚硼烷
🗣️ 情景例句
We need to bring a flashlight.
我们需要带一个手电筒。
Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功，我们今年已把工厂扩展了两倍。
'Excuse my interrupting you.
“请原谅我打断了您。