sand
The Spanish word 'arena' translates to 'sand' in English. It is often used to describe the tiny, granulated particles often found at beaches, deserts, or other natural habitats. In a broader sense, it can also represent concepts related to desolation and time passing, in line with its literal meaning.
The cat is playing in the sand.
This sentence is talking about a cat that is doing something (playing) in a specific location (in the sand). In Spanish, location is often communicated through 'en', which translates to 'in' in English.
The sand of the beach is white.
This sentence is a description of the color of the sand at a beach. In Spanish, nouns and their adjectives must agree in gender and number. Here, 'arena' (sand) is a feminine noun, so the adjective 'blanca' (white) must also be feminine.
I need to buy a bag of sand for the construction.
This sentence shows a person expressing a need ('necesito' or 'I need') for a specific item (a bag of sand) for a purpose (for construction). This sentence is an example of using the verb 'necesitar' (to need) in present tense in Spanish.