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
That's right. What should we do when we find a shortage in the shipment?
这很对。要是我们发现货物短缺，该怎么办？
The staff in this shop is very helpful.
这家商店的店员很热心。
I'm afraid he's out. He won't be back until tomorrow.
对不起，他外出去了，明天才回来。