Ursa
n. [天]大熊星座（等于Ursa Major）；[天]小熊星座（等于Ursa Minor）
🗣️ 情景例句
What does NATO mean?
NATO是什么意思？
My treat.
我请客。
He described it as 'a very agreeable situation located within two small hills in the midst of which flowed a great river.
“地理位置十分适宜，位于两座小山的中间，一条大河从中间流过”。