pollution, la pollution, environment, l'environnement (m), oil, le pétrole, cycle lane, la piste cyclable, polluted, pollué, tap, le robinet, to use, utiliser, to improve, améliorer, frightening, effrayant, to prevent, empêcher, problem, worry, l'ennui (m), surrounded, entouré, carbon dioxide, le gaz carbonique, exhaust fumes, le gaz d'échappement, heavy, serious, lourd, to struggle, lutter, worry, concern, le souci.

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