多伦多

In a sentence

• 我出生在多伦多，这里是加拿大的一个大城市。

  I was born in Toronto, which is a major city in Canada.

  多伦多 is used here to denote the city of Toronto, a proper noun.

• 多伦多的冬天非常寒冷，但风景也很漂亮。

  Winters in Toronto are very cold, but the scenery is beautiful.

  多伦多 is used as an attributive noun modifying the word '冬天', referring to the specific winter in Toronto.

• 下个月我计划去多伦多参观一些著名的景点。

  I plan to visit some famous attractions in Toronto next month.

  多伦多 here indicates the destination and is used as a direct reference to the city.