Oso
abbr. 軌道太陽觀測臺（Orbital Solar Observatory）
??? 情景例句
The radio has lost most of its audience, thanks to TV.
由于電視的存在，收音機失去了大量聽眾。
I'll know when the time comes.
到時候就知道了。
Well, I couldn't sleep last night.
啊，我昨晚上沒睡好覺。