hawking was speaking at

hawking was speaking at 基本解释

霍金在

重点词汇

Hawking n. 利用鹰行猎

speaking n. 说话；讲话；谈话；演讲 adj. 演讲的；富于表情的；（肖像）栩栩如生的；雄辩的 v. 讲，谈(speak的现在分词 )