Ammonium ion
銨離子
?? 詞語組成解析
n. 銨\\n[化] 銨
ion
['ai?n]
n. <物>離子;
??? 情景例句
And then he takes it back
然后 ，他就把它收回去
I had thought he knew the time of the meeting.
我原以為他知道開會時間。
I guess I could come over.
我想我能來。