Oso
abbr. 轨道太阳观测台（Orbital Solar Observatory）
🗣️ 情景例句
It was nice meeting you.
非常高兴遇见你。
Tell me where I can post them.
请问，哪里有投信的邮筒？
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。