sadness 和 grief有什么区别?

sadness 和 grief有什么区别? sadness grief sorrow bitterness有什么区别 grief和sadness有复数形式吗? sorrow和grief都是名词形式的“悲痛、伤心事”,那他们有什么区别呢 英语翻译sadness time?sad time?请问sad 和 sadness有什么区别？不都是悲伤的意思吗 sadness and sorrow and bitterness 有什么区别?急 sadness 和sad 的区别无 it is grief and sweet sadness to think of you happiness 和sadness有复数吗? It is graceful grief and sweet sadness to think of you .But in my heart there is a kind of words什么意识words sorrow 与 grief区别是什么 sadness、ill区别 grief, It is graceful grief and sweet sadness to think of you. Is it graceful grief and sweet sadness to think of you?这句话有错吗? sadness什么意思 Sadness″　什么意思? sadness什么意思