which به انگلیسی
From Longman Dictionary
which /wɪtʃ/ ●●● S1 W1 determiner, pronoun
used to ask or talk about one or more members of a group of people or things, when you are uncertain about it or about them
هنگامی که در مورد آن یا در مورد آنها مطمئن نیستید، از یک یا چند عضو گروهی از افراد یا چیزها می پرسید یا صحبت می کرد.
used after a noun to show what thing or things you mean
بعد از اسم استفاده می شود تا نشان دهد منظور شما چیست
used, after a comma in writing, to add more information about the thing, situation, or event you have just mentioned
بعد از کاما به صورت نوشتاری، برای افزودن اطلاعات بیشتر در مورد چیز، موقعیت یا رویدادی که به تازگی به آن اشاره کرده اید استفاده می شود
Example
Some students may be creating a videotaped drama, in which case numbers and technicians must be calculated and provided
By combining drying with the use of a disinfectant impregnated cloth in which case the final rinse is also omitted
It may show there has been no irregularity or malpractice, in which case the process ends
We may have to cut it off, in which case, what about this – drapes across as you had them
She may have missed the train, in which case (=if this has happened) she won’t arrive for another hour
