which
🇺🇸
/wɪtʃ/
🇬🇧
/wɪtʃ/
determiner
A1
asks about one thing from a group
Which book do you want to read, which is on the shelf?
A2
shows the exact thing you mean
She found the key which opens the door.
A2
adds more details about something
The car, which is red, is very fast.
translation
asks about one thing from a group; shows the exact thing you mean; adds more details about something