Calcium orthodisilicate
[机] 原二硅酸钙
🧩 词语组成解析
🗣️ 情景例句
The government announced its new economic policies.
政府发布了新的经济政策。
My son wants to be a policeman when he grows up.
当他长大时，我的儿子想要成为一个警察。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.
这说明，经过了多么漫长的时间之后，我们才认识到，有必要确保我们的孩子享有多少个世纪以来由‘少数幸运者’所积累起来的知识。