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
Please do the work at your own convenience.
请在方便时把这事做一做。
He is imprisoned.
他被捕入狱了。
Busmen have decided to go on strike next week.
公共汽车司机决定下星期罢工。