spleen

他的脾脏在事故中受到了损伤。

His ___spleen was injured in the accident.

她因为一点小事就大发脾气，把所有的怒气都发泄在了同事身上。

She vented her ___spleen on her colleagues over a trivial matter.

她总是把工作中的不满情绪发泄在家人身上。

She often vents her ___spleen on her family due to work frustrations.