Silice
二氧化硅
🗣️ 情景例句
He did it as a special favor.
他做这事算是特别照顾。
We cannot proceed any further without receiving your thoughts with respect to the manner of payment.
我们如果不了解你们对付款方式的意见，便不能进一步检讨。
We felt that the price was too high for the quality.
我们觉得以这样的品质价钱太高了。