Eka-elemet
[机] 准元素
🧩 词语组成解析
[医][=eruptive keratoacanthoma]疹性角化棘皮瘤
🗣️ 情景例句
Pardon me.
劳驾。
John and I are old friends.
我和约翰是老朋友了。
I agree that it is a difficult situation.
我同意，这种情况很难办。