Ferrolite
铁矿岩, 混凝土中铁质掺合料
🗣️ 情景例句
Mr. Lu, we are very pleased to be able to offer this product to you.
陆先生，我们很高兴能提供这个产品给您。
My daughter was very pleased to do shopping.
我的女儿非常喜欢去购物。
Don't let me down.
别让我失望。