因为它不是重读闭音节结尾的词
suffering和sufferings区别：suffering是单数，sufferings是复数
suffering：
n.疼痛痛苦折磨苦难苦恼
v.(因疾病、痛苦、悲伤等)受苦，受难
suffer的现在分词
sufferings：
n.疼痛痛苦折磨苦难苦恼
suffering的复数 扩展资料
I hate to see animals suffering.
我不忍心看动物受苦。
His trial revived memories of French suffering during the war
他的'受审重新勾起了在战争中受苦受难的法国人民的回忆
