Tetrasilane
四硅烷, 丁硅烷
🗣️ 情景例句
Is there any discount on bulk purchases?
我多买些能打折吗？
I agree. I wish it were quicker.
是这样，我希望它能快一点。
There's a customer, Tod. Will you serve him?
托德，顾客来了，你去照应一下好吗？