一代又一代 用英语怎么讲

一代又一代 : from generation to generation

1.For generations
2.generation by generation
3.Long generations of
4.from generation to generation
5.Age by age
6.generation after generation
例句：
For generations the Arabian has shared the hardships of his nomadic master.
阿拉伯人一代又一代地分担着它的游牧主人的艰辛。
This is because the determinants of heredity maintain their integrity generation by generation.
这是因为遗传因子一代又一代地保存它们的完整性。
Long generations of servitude have made the countrymen peculiarly subtle in hierarchical distinctions.
一代又一代的奴役使乡下人对于等级界限格外敏感。
This blood feud was handed down from generation to generation.
这血海深仇传了一代又一代。

for generations,

OR

generation after generation,

generation after generation

from generation to generation

through generations

generation by generation

For generation