今天预计部分地区天气晴朗。 最高气温21°。 空气质量中等 (51-100) 主要污染物 NO₂ 15 ppb 相对于空气在当前温度下所能包含的最大水分量，空气中存在的水分量。 气压是大气中空气的重量。它被归纳为标准大气压力 1,013.25 mb (29.9212 inHg)。较高的气压通常与晴朗的 ...

Severe thunderstorms recently wreaked havoc in California's Wrightwood community, resulting in mudslides, rockslides, and debris flows that have left a profound impact on local residents. This article ...

That museum sits in Changcheng Village, literally, "Great Wall Village," in Yanchi County, northwest China's Ningxia Hui Autonomous Region, a quiet courtyard built with borrowed money and stubborn ...

HUMBANG HASUNDUTAN, Indonesia, Dec. 29 (Xinhua) -- In the forested highlands of Indonesia's North Sumatra province, communities in Humbang Hasundutan regency have long depended on frankincense trees, ...