Alphameric characters
[电] 文字数字符
🧩 词语组成解析
[计] 字母数字的
n. 特性；人物角色（character复数）
🗣️ 情景例句
You've come up with a good idea.
你想出来的主意好极了。
I'm afraid I can't get away from the meeting.
我恐怕难以从会议中抽身。
It is now being used indifferently for both.
人们现在正漫不经心地把知识用于这两个方面，