which
US /wɪtʃ/
UK /wɪtʃ/

限定词
1.
哪个, 哪些
asking for information specifying one or more people or things from a definite set
示例:
•
Which book do you want?
你想要哪本书?
•
Which way should we go?
我们应该走哪条路?
代词
1.
哪个, 哪一个
referring to a choice between two or more alternatives
示例:
•
Which of these colors do you prefer?
你更喜欢这些颜色中的哪一个?
•
He asked which way was best.
他问哪种方式最好。
2.
哪个, 那
used to introduce a non-restrictive relative clause
示例:
•
The car, which was red, sped down the road.
那辆车,是红色的,沿着路飞驰而去。
•
He gave me a gift, which was very kind of him.
他送了我一份礼物,这对他来说非常友好。
在 Lingoland 学习这个单词