Os frontale
<拉>额骨
🧩 词语组成解析
n. 骨, 孔, 穴裂口\\n[计] 办公系统, 操作系统
🗣️ 情景例句
As a matter of fact,
事实上，
There's as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
These were the so-called mainframe machines.
它们被称为主机。