Oscars
abbr. one-way synchronous collision avoidance and ranging system 单路同步防撞与测距系统
🗣️ 情景例句
What was your speciality?
你学的是什么专业？
I don't think it's four o'clock yet.
我认为现在还不到四点。
A Frenchman, for instance, might find it hard to laugh at a Russian joke.
譬如，法国人听完一则俄国笑话可能很难发笑。