1 to state sth publicly and officially or to make sth known in a firm, clear way 宣布;宣告;公告:
to declare war on another country向另一国家宣战I declare that the winner of the award is Joan Taylor.我宣布奖项的得主是琼˙泰勒。
2 to give information about goods or money you have earned, on which you have to pay tax 申报(应纳税的货物或收入):
You must declare all your income on this form.你必须在这份表格上申报所有收入。