Magnesium hdroxide
[医] 氢氧化镁
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
🗣️ 情景例句
and he's pretty sure that I can get a good job there.
他相当肯定我可以在那儿弄到一份好工作。
Until when?
借到什么时候？
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？