Ferrolite
铁矿岩, 混凝土中铁质掺合料
🗣️ 情景例句
I'm worried, Philip.
我很担心， Philip。
I felt it advisable to do nothing.
我认为最好什么也别做。
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。