spree怎么读，是什么意思，单词翻译、读音

I went on a drinking/shopping/spending spree on Saturday. 我星期六痛痛快快地喝了一通／疯狂采购了一番／挥霍了一番。

20 people were shot dead in the city, making it the worst killing spree since the riots. 20人在市内被枪杀，这是骚乱以来最可怕的杀戮行为。