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
When did you come here?
是什么时候来这儿的？
An ill workman quarrels with his tools.
拙匠常怪工具差。
'I'm very sorry,' he said.
“实在抱歉，”他说，