Learn Spanish (Spain): Crecimos en un pueblo muy bonito. - We grew up in a very pretty village.

Crecimos is the past tense (preterite) form of the verb crecer (to grow), meaning "we grew". Because crecer is an -er verb, its present tense "we" form is crecemos (we grow). The -imos ending is the regular preterite ending for "we", showing the action is completed and happened in the past.

Does crecer mean "to grow up" as a person, or "to grow" like a plant?

It means both! In this sentence, it means "to grow up" because it refers to someone's childhood. However, you can also use crecer for plants growing, getting taller, or even a business growing.

I learned that pueblo means "people". Why does it mean "village" here?

Pueblo is a very flexible word. While it can mean "a people" or "a nation" in a broad sense, in everyday Spanish it is the standard word for a small town or village.

Why is the adjective bonito placed after pueblo?

In Spanish, describing words (adjectives) like bonito usually come after the noun they describe. Also, it ends in -o because it has to match the masculine noun un pueblo.