Your spleen is an organ near your stomach that controls the quality of your blood.
N-UNCOUNT
大发脾气;大怒
Spleen is great and bitter anger.
例句
Paul Fussell's latest book vents his spleen against everything he hates about his country...保罗·富塞尔在新作中发泄了他对国家的所有不满。There were other targets for Mr Livingston's spleen.让利文斯顿先生大怒的还有其他一些人。