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
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
It is good to be merry at meal.
席间心情愉快是为上策。
At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable,
当时，这艘轮船不仅是造船史上建造的最大的一艘船，而且也被认为是不会沉没的。