Oso
abbr. 轨道太阳观测台（Orbital Solar Observatory）
🗣️ 情景例句
Fine, thank you.
很好， 谢谢你 。
How was it, sir?
它好吗？先生。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，