热气球 Traditional form: 熱氣球 Pinyin (reading): rèqìqiú Definitions: hot air balloon Characters: 热 - heat, fever, zeal 气 - air, gas; steam, vapor; anger 球 - ball, globe, sphere; round Traditional characters: 熱 - heat, fever, zeal 氣 - air, gas; steam, vapor; anger 球 - ball, globe, sphere; round