multi-language transalations

[screen mate]

For creating a multi-langauge app, which is the best appraoch:

a. add a languageId column to primray key
b. add multiple descrirption columns for each language

eg:

original table:
categoryId
description

primary-key approach:
categoryId
languageId
description

multiple description column approach:
categoryId
description_en
description_es
description_ar
description_fr
description_de
description_jp
description_cn
......
...

any better approachs? can give teh design for transalation tables?

thanks...