Florosil
合成硅酸铝载体
🗣️ 情景例句
I had dinner with him Saturday,
星期六我与他一起吃晚餐，
Almost every process is computerized.
几乎每一道工艺都是由电脑控制的。
Excuse me. Is there a police-station near here?
请问，附近有警察局吗？