Delphinite
绿帘石
🗣️ 情景例句
I keep thinking about that bag of film. Eight rolls.
我一直在想着旅行袋的事。一共有八卷呢。
I still have to fill 16 hours in my major.
我必须重修主修科目16小时。
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。