Adds a new field to the type, with the given name, attributes, and field type.

用给定的名称、特性和字段类型，向类型中添加新字段。

youdao

Adds a new field to the type, with the given name, attributes, and field type.

用给定的名称、特性和字段类型，向类型中添加新字段。

youdao