詞語：upcast
upcast的解釋
upcast['ʌpkɑ:st, -kæst, ʌp'kɑ:st, -'kæst]n. 向上投擲之物；上拋；排氣豎坑adj. 向上的；向上拋的v. 向上投擲，向上拋
upcast的意思
upcast 上拋;上投物;上風;上投的;upcast ventilating 上風豎井;upcast ventilator 朝上通氣筒;排氣通風筒，抽風機;upcast shaft 上風堅井;upcast entilator 排氣通風筒煙道抽風機;排氣通風筒;
upcast的參考例句
1.Go down oneself from cliff upcast, fall on the ground before, I learned to fly. 把自己從懸崖上拋下去，摔到地上前，我學會了飛翔。
2.It results from to poverty person a true understanding course of ability, abandon old idea from thought upcast and establish new idea. 它源於對貧困者的能力的一個真誠的熟悉過程，從思想上拋棄舊觀念而樹立新觀念。
3.All you need to do is upcast from the derived class and never look back to see what exact type of object you're dealing with. Everything is handled through polymorphism. 你只需要將對像上傳轉化為基類對像不需要知道額外的信息，而這些都是通過多態實現的。