Magnesium oxidation
[化] 镁合金氧化处理
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
oxidation
[[ˌɔksi'deiʃən]]
n. 氧化\\n[化] 氧化
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
I answer telephones and do some typing.
我接电话和打字。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。