Magnesium carbonate
[化] 碳酸鎂
?? 詞語組成解析
magnesium
[m?g'ni:zj?m]
n. [化]鎂（金屬元素）;
carbonate
[['kɑ:b?neit]]
n. 碳酸鹽\\nvt. 使碳酸鹽化, 使充滿二氧化碳
??? 情景例句
I was so tired
我太累了
Hold on.
等一會兒。
The fact that the policeman was prejudiced against foreigners could not be recorded in the official files.
警察歧視外國人的事在官方檔案中不可能加以記載，