北京結(jié)束145天無有效降水紀(jì)錄

圖片說明

Light snow and sleet fell in Beijing Saturday morning, breaking the city's longest dry spell in at least 47 years, according to the municipal meteorological observatory.

3月17日，北京出現(xiàn)小雪和雨夾雪天氣。市氣象部門表示，本次降雪結(jié)束了北京至少47年以來最長的干旱記錄。

Dry spell指“干旱期”，這里的spell意為“一段時(shí)間”，比如，hot spell(連續(xù)高溫天氣)，a spell of summer heat(持續(xù)一段時(shí)間的炙熱天氣)等。

As of Friday, the capital had recorded 145 consecutive days without "effective precipitation" .

截止3月16日，北京連續(xù)無有效降水日數(shù)已經(jīng)達(dá)145天。

有效降水(effective precipitation)指的是日降水量大于或等于0.1毫米(precipitation of more than 0.1 mm in one day)。據(jù)南郊觀象臺(tái)的記錄，當(dāng)日上午9點(diǎn)，北京市城區(qū)的平均降水量為0.3毫米。

【相關(guān)詞匯】

blizzard 暴風(fēng)雪

flurry 小陣雪

frost 霜

hail 冰雹

sleet 雨夾雪

freezing rain 凍雨(注：凍雨不同于雨夾雪或冰雹，這種雨從天空落下時(shí)是低于0°C的過冷水滴，在碰到樹枝、電線、地面或其他地上物，就會(huì)在這些物體上凍結(jié)成外表光滑、晶瑩透明的一層冰殼。)

等了145天，終于盼來了一場雪，網(wǎng)友們紛紛跑出去玩雪了，你們感受一下!

Kids have fun in the Yanqing District of Beijing, capital of China, March 17, 2018. [Photo/Xinhua]

People take shelter from the snow at the entrance of a subway station in Beijing, capital of China, March 17, 2018. [Photo/Xinhua]

A child has fun in snow in Beijing, capital of China, March 17, 2018. [Photo/Xinhua]

A woman takes photos for a child in snow in Beijing, capital of China, March 17, 2018. [Photo/Xinhua]