Porocel
高度粉碎的高活性白土
🗣️ 情景例句
Study hard kids, your mother and I want you to get into a good college when the time comes.
努力学习，孩子们，你们的妈妈和我希望你们能考上名校。
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。