Manganic oxide
[化] 三氧化二锰
🧩 词语组成解析
a. 锰的, 得自锰的
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
She is devoted to her children.
她深爱她的孩子。
The houses downtown are very expensive.
市区的房子很贵。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！