Magnesium limestone
[化] 碳酸钙镁
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
Sorry, it's broken. You have to use the stairs.
对不起，它坏了，你只能走楼梯了。
So, in an earthquake, the earth shakes.
因此，地震时，地球震动。