Magnesium hydride
[化] 二氢化镁
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
[医] 氢化物
🗣️ 情景例句
He's upset over the fact that he wasn't promoted this year.
他对今年没有升迁感到恼怒。
What is the total circulation of this newspaper.
这家报纸总发行量多少？
He makes many things.
他做了很多东西。