Chavesite
磷钙镁石
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
Usually,I have a big breakfast.
通常,我吃一顿丰盛的早餐。
Pink's her favourite colour.
粉红色是她最喜欢的颜色。