You can build a "base" object which can then be extended with more attachments.

你可以建立一个“基础”对象，然后可以扩展更多的附件。

youdao

You can build a "base" object which can then be extended with more attachments.

你可以建立一个“基础”对象，然后可以扩展更多的附件。

youdao