Ключевые слова: advertisement, agriculture, alarm, alert, announce, announcement, background, bio, botanical, broadcast, broadcasting, business, communicate, communication, conversation, design, discussion, eco, ecology, environment, garden, green, harvest, health, idea, information, leaf, loudspeaker, message, natural, nature, organic, pay attention, picnic, planet, plant, promotion, public, radio, save, sound, speak, speaker, speech, spring, symbol, talk, voice, warning, word,