suffering是可数的名词吗?

n.痛苦,受难（不可数）
He watched her suffering with clinical detachment.他冷静客观地看著她遭受的痛苦.
He refused to talk about her family's suffering during the war.
他拒绝谈论他家在战争期间遭受的苦难.
（复数） 种种痛苦
He told me all about his sufferings.