Silice
二氧化硅
🗣️ 情景例句
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
We can't persuade the end-users to buy your products at this price.
按这个价格，我们不能说服用户购买你们的产品。
Is this your bike?
这是你的自行车吗？