downcasting

1. 1.

   To turn (the eyes) downwards, usually as a sign of discouragement, sadness, etc., or sometimes modesty.

   (将眼睛)向下看,通常表示沮丧、悲伤,有时表示谦逊

2. 2.

   To cast or throw (something) downwards; also, to drop or lower (something).

   向下抛掷(某物)；使落下或降低

3. 3.

   To demolish or tear down (a building, etc.).

   拆除,拆毁(建筑等)

4. 4.

   To make (someone) feel despondent or discouraged; to discourage, to sadden.

   使(某人)沮丧或气馁；使灰心,使悲伤

5. 5.

   To cast (“change the expression of”) (a data type) from supertype to subtype.

   (数据类型)从父类型转换为子类型

向下抛掷(某物)；使落下或降低；拆除,拆毁(建筑等)；使(某人)沮丧或气馁；使灰心,使悲伤；(数据类型)从父类型转换为子类型；气馁的

Connections

Learner notes