Orthosilicate
正硅酸盐
🗣️ 情景例句
What'll the weather be like tomorrow?
明天的天气怎么样？
How's your cousin?
你的姐妹好吗？
After breakfast, I sent the children to school and then I went to the shops.
早饭后，我送孩子们上学，然后就去了商店。