Polysilicate
聚硅酸盐
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
Sufficient for the day is the evil thereof.
一天的不幸已够人受的了，别再自寻烦恼。
An American Boy
一个美国男孩