upcast
基本解释
- n.上抛；向上投掷之物；排气竖坑
- adj.向上抛的；向上的
- v.向上投掷；向上抛
英汉例句
- The student looked at his teacher with upcast eyes.
学生眼睛朝上看着他的老师。 - Don't upcast or chuck the scaffolding materials and don't leave behind the material on scaffolding.
不可以上抛及下扔脚手架材料，不许遗留脚手架材料在架子上； - "Go down oneself from cliff upcast, fall on the ground before, I learned to fly.
“把自己从悬崖上抛下去，摔到地上前，我学会了飞翔。” - It results from to poverty person a true understanding course of ability, abandon old idea from thought upcast and establish new idea.
它源于对贫困者的能力的一个真诚的熟悉过程，从思想上抛弃旧观念而树立新观念。 - 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.
你只需要将对象上传转化为基类对象不需要知道额外的信息，而这些都是通过多态实现的。