在 Motorcycle类的原始版本中，使用Source菜单生成几个构造函数，如清单6 中所示。

With the original version of the Motorcycle class, use the Source menu to generate a few constructors, like those shown in Listing 6.

youdao

随着这些新构造的出现，工具栏真正使自己成为一个主要的控制工具。不同于下拉菜单，而且在许多情况下优于下拉菜单。

With the advent of these new constructions, the toolbar truly came into its own as a primary control device, separate from-and in many cases superior to-menus.

youdao

随着这些新构造的出现，工具栏真正使自己成为一个主要的控制工具。不同于下拉菜单，而且在许多情况下优于下拉菜单。

With the advent of these new constructions, the toolbar truly came into its own as a primary control device, separate from-and in many cases superior to-menus.

youdao