Oper
abbr. 古波斯语（等于O. Per.）
🗣️ 情景例句
But?
但是？
Who is she?
她是谁？
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。