An island at the southern end of the Lesser Antilles, now the main island of Trinidad and Tobago; also used as an abbreviation for the nation 千里达及托巴哥 qiān​lǐ​dá​jí​tuō​bā​gē

Used in formal or written contexts to link nouns or noun phrases, often placing the more important item first; similar to 和 hé or 跟 gēn