Magnesium calcium carbonate
[化] 碳酸镁钙
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
carbonate
[['kɑ:bəneit]]
n. 碳酸盐\\nvt. 使碳酸盐化, 使充满二氧化碳
🗣️ 情景例句
I thought he was retired
我原以为他退休了
Opportunity, sooner or later, comes to all who work and wish.
只要努力工作而有志向，机会迟早终会来临。
'No', I answered confidently.
“没有。”我自信地回答说。