Osa
[计] 开放系统体系结构
🗣️ 情景例句
You're on the day shift now.
你现在上白班。
Many hands make light (or quick) work.
人多活儿轻。
The seed was sprayed over the ground in huge quantities by aeroplanes.
飞机把这种草籽大量地撒播在地上。