(14)-3.1 Marine Weather航海英语海乘服务英语

CloudHighcloudMiddlecloudLowcloudCloudscanbedividedintogroupsmainlybasedontheheightofthecloud'sbaseabovetheEarth'ssurface.Thebaseofahighcloudabovethesurfacecanbeanywherefrom6,000-18,000minthetropicsto3,000-8,000minthepolarregion.Cirrus卷云

Cirrostratus卷层云

Cirrocumulus卷积云

Cirruscloudsarethin,wispy（成束的）

cloudsblownbyhighwindsintolongstreamers（彩色长带）.Theyareconsidered“highclouds”formingabove6,000m(20,000ft).Cirruscloudsusuallymoveacrosstheskyfromwesttoeast.Theygenerallymeanfairtopleasant（晴朗的）weather.Cirrostratuscloudsarethin,sheetlike（像薄片一样的）highcloudsthatoftencovertheentiresky.Theyaresothinthatthesunandmooncanbeseenthroughthem.Cirrocumuluscloudsappearassmall,roundedwhitepuffs（一缕）.Thesmallripplesinthecirrocumulussometimesresemble（类似）thescalesofafish.Askywithcirrocumuluscloudsissometimesreferredtoasa“mackerelsky（鱼鳞天）”.1.Cloudsareclassifiedaccordingtotheir_______.A．SizeB．moisturecontentC．altitudeandhowtheyareFormedD．locationinafront解析：云是根据高度和如何形成而进行分类。moisture

content

湿量；水分（含量）altitude英[ˈæltɪtju:d]美[ˈæltɪtu:d]n.高度，海拔高度;高位，高等;[天]地平纬度;[数]顶垂线

习题C2.Highclouds,composedofsmallwhiteflakesorscalyglobularmasses,andoftenbandedtogethertoforma“mackerelsky”,wouldbeclassifiedas_______.cirrusB.cirrocumulusC.altostratusD.cumulonimbus解析：高云，伴有白色小薄片或多鳞球状团，通常结合起来形成“鱼鳞天”，应归类为_______。

Flakes英[fleɪks]美[fleɪks]n.雪花;小薄片(flake的名词复数);（尤指）碎片;古怪的人scaly英[ˈskeɪli]美[ˈskeli]adj.鳞片状;（动物）多鳞的;（皮肤）干燥粗糙的globular英[ˈglɒbjələ(r)]美[ˈglɑ:bjələ(r)]adj.球形;球状的;球粒状mass英[mæs]美[mæs]n.大量，大