这些 + Noun
这些 (zhèxiē) means "these" and is used as a demonstrative pronoun or determiner for plural nouns. It is the plural form of 这 (this) and is placed before a noun to specify multiple particular items. For example, 这些岛屿 means "these islands."
这些苹果看起来很新鲜,我们买一点吧。
Zhèxiē píngguǒ kàn qǐlái hěn xīnxiān, wǒmen mǎi yìdiǎn ba.
These apples look very fresh — let's buy some.
这些年来,城市变化真的很大。
Zhèxiē nián lái, chéngshì biànhuà zhēn de hěn dà.
Over these years, the city has really changed a lot.
这些问题我都已经回答过了。
Zhèxiē wèntí wǒ dōu yǐjīng huídá guò le.
I have already answered all of these questions.