-
Magnesium would be 2 plus, 2e so in here you would put 2e.
镁带两个正电荷，在这儿写作。
应用推荐
$firstVoiceSent
- 来自原声例句
Magnesium would be 2 plus, 2e so in here you would put 2e.
镁带两个正电荷，在这儿写作。
应用推荐