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"Bring" is a transitive verb which is often translated as "traer", and "grab" is a transitive verb which is often translated as "agarrar". Learn more about the difference between "bring" and "grab" below.
bring(
brihng
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
2. (to cause)
b. no ser capaz de 
She was so tired she couldn't bring herself to get out of bed.Estaba tan cansada que no era capaz de levantarse de la cama.
4. (to yield)
a. dar 
Good decisions can bring good results quickly.Tomar buenas decisiones puede dar buenos resultados rápidamente.
grab(
grahb
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
1. (to seize)
2. (to jump on)
a. aprovechar 
If I were in your shoes, I'd grab the opportunity to study abroad.En tu lugar, yo aprovecharía la oportunidad de estudiar en el extranjero.
3. (colloquial) (to get quickly)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
4. (to attract)
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
6. (mechanics)