燃气: fuel gas (coal gas, natural gas, methane etc)...
正义: justice, righteousness, just, righteous...
密切: close, familiar, intimate, closely (related), to foster close ties, to pay close attention...
蓝领: blue-collar, blue-collar worker...
文艺: literature and art...
程度: degree (level or extent), level...
确诊: to make a definite diagnosis, confirmed (case of a specific disease)...
司长: bureau chief...
蝴蝶: butterfly...
汇集: to collect, to compile, to converge...
