Now, suppose you write a new class and extend the in-progress class. Easy enough, right?

现在，假设您要编写一个新类，扩展那个还在开发之中的类，也不难，是不是？

youdao

Company has the right to extend the probation period if necessary.

如有需要，公司将会适当的延长试用期限。

youdao

Right arm continuesto extend as the left arm undergoes shoulder extends to finish the catch.

第十八帧：右臂继续伸展，左臂进行肩部拉伸去完成抓水。

youdao

Right arm continuesto extend as the left arm undergoes shoulder extends to finish the catch.

第十八帧：右臂继续伸展，左臂进行肩部拉伸去完成抓水。

youdao