hereby

副词 hereby:

1. (formal) by means of this
   同义词：herewith

1. I hereby declare her elected.
   我特此宣布她已经当选。

here.by

adv.（副词）
By virtue of this act, decree, bulletin, or document; by this means.
以此，特此：依据这条法令、政令、公告或文件；以此种方法