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
It's so nice out.
外面天气真好。
Little boats must keep the shores.
小船不能航行远。
Some live in large groups like the honey bee, and make their nests in trees or holes in the rocks.
有些蜂如蜜蜂是群居在一起，在树上或岩洞里筑巢。