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        龍卷風(fēng)

        2023-12-26 15:21:24湖南長沙市長沙縣瑋思學(xué)校編譯
        瘋狂英語(雙語世界) 2023年4期
        關(guān)鍵詞:湖南長沙市強(qiáng)風(fēng)龍卷風(fēng)

        湖南長沙市長沙縣瑋思學(xué)校 王 瑩 編譯

        What are tornadoes?

        什么是龍卷風(fēng)?

        Tornadoes,also called twisters,are vertical funnels of rapidly spinning air.

        龍卷風(fēng)也叫旋風(fēng),是垂直的漏斗狀高速旋轉(zhuǎn)的氣流。

        Tornadoes form when warm,humid air mix with cold,dry air.Tornadoes are born in thunderstorms and often come with hail.

        龍卷風(fēng)形成于溫暖、潮濕的空氣與寒冷、干燥的空氣對(duì)流時(shí),是云層中雷暴的產(chǎn)物,同時(shí)常常伴有冰雹天氣。

        Where and when?

        什么時(shí)候,在哪里?

        These dangerous storms occur around the world,but the United States is a place with the most,with about 1000 tornadoes every year.

        這樣危險(xiǎn)的風(fēng)暴在全世界范圍內(nèi)都會(huì)出現(xiàn),但美國是龍卷風(fēng)的高發(fā)地,每年約出現(xiàn)1000 次。

        Tornadoes can occur at any time of year,but they are more common from early spring to summer.Although they can form at any time of the day or night,most tornadoes form in the late afternoon.

        龍卷風(fēng)在一年中的任何時(shí)候都有可能形成,但最常出現(xiàn)的時(shí)間段是早春到夏季之間。盡管在一天之中,白天和夜里都有可能出現(xiàn)龍卷風(fēng),但大多數(shù)的龍卷風(fēng)形成于傍晚時(shí)分。

        Duration and Speed

        持續(xù)時(shí)間和時(shí)速

        When a tornado hits the ground,it may live for as little as a few seconds or as long as three hours.The average twister is about 200 meters wide and moves about 48 km/h.Most don’t travel more than 10 km before stopping.

        當(dāng)龍卷風(fēng)擊中地面時(shí),它可能會(huì)持續(xù)幾秒鐘,也可能會(huì)長達(dá)3 個(gè)小時(shí)。龍卷風(fēng)平均寬度約200 米,移動(dòng)速度約48 千米/小時(shí)。大多數(shù)龍卷風(fēng)的移動(dòng)距離不會(huì)超過10 千米。

        Dangerous!

        危險(xiǎn)!

        Very strong winds break homes and businesses.Winds can also destroy bridges and trains,send cars and trucks flying,pull trees into the sky,and take all the water out the rivers.

        強(qiáng)風(fēng)會(huì)摧毀房屋和商鋪。風(fēng)還可能會(huì)摧毀橋梁和火車,讓汽車和卡車飛起來,把樹拉向天空,把河里的水都帶走。

        Strong winds sometimes kill or hurt people by pushing them to the ground or throwing them into the sky.But most people get hurt by flying debris from broken houses—parts of the roof,broken glass,doors,pieces of metal.

        強(qiáng)風(fēng)有時(shí)會(huì)將人推倒在地或拋向天空,從而導(dǎo)致人受傷或死亡。但大多數(shù)人在龍卷風(fēng)中受傷的原因都是被破碎房屋的碎片——破碎的屋頂、碎玻璃、門和金屬碎片弄傷。

        I.Yes or No?

        1.Tornadoes are also called twisters.( )

        2.There are about 10,000 tornadoes in the United States every year.( )

        3.Most tornadoes can travel more than 10 km before stopping.( )

        4.Tornadoes are more common from early spring to summer.( )

        5.Most tornadoes form in the late afternoon.( )

        II.Fill in the blanks.

        1.Tornadoes are vertical funnels of _______.

        2.Tornadoes form when _______ air mix with _______ air.

        3.The average twister is about _______ wide and moves about_______.

        III.Answer the question.

        Why are tornadoes dangerous?

        (參考答案見本期第64 頁)

        Keys toSpecialized Training in Mixed Operations (4A)

        I.(1) 452 (2) 23 (3) 14 (4) 165 (5) 96 (6) 124 (7) 791 (8) 2160 (9) 555(10) 92

        II.(1) 60 (2) 6……2 (3) 4……3 (4) 9;0 (5) 56 (6) 63 m (7) 11 (8) 550 km(9) 45;15 (10) A=390;B=710

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