剑桥词典an act of sending a copy of the same email to many people at the same time , for example by a company trying to sell something （爲達到營銷目的等）群發送電子郵件 Competition winners will be announced in our weekly e-blast. 競賽獲勝者將在我們每周的群發郵件中宣佈。 返回 e-blast