Natroncalk
[化] (烧)碱石灰(NaOH和CaO的混合物)
🗣️ 情景例句
Davis Aerobics Center for Good Health.
Davis有氧运动健身中心。
News is like fish.
新闻就像鱼，过后不新鲜。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。