Ferrolite
铁矿岩, 混凝土中铁质掺合料
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
He won't be distressed by my absence.
即使我不在，他也不会悲伤痛苦的。
You can call me any time.
你可以随时打电话给我。