Though you call it with sub class object, it will run only base class implementation.

虽然你叫它的子类对象，它将只运行基类的实现。

youdao

In addition to a border, the Group composite sub-class supports a title.

除了边界之外，Group复合子类还支持标题。

youdao

The flag has three sub-flags: gc, class, and jni.

该标志有三个子标志：gc、class和jni。

youdao

Base class sub-objects may have zero size.

基类子对象可以具有零大小。

youdao

Base class sub-objects may have zero size.

基类子对象可以具有零大小。

youdao