keep diaries /keep a diary' 哪个对?

keep diaries /keep a diary' 哪个对? keep diaries还是keep diary keep diaries这个用法是正确的吗?keep a diary的复数是keep diaries吗? keep diary 还是 keep a diary keep a diary keep a diary的中文翻译 keep a diary的意思 怎麼用keep a diary造句? keep a diary 跟write a diary 有什么不同 write a diary和 keep a diary的区别 write-keep a diary如何翻译 记日记是keep a diary吗?