| 单词 | cross section |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔I-beam〕A steel joist or girder with short flanges and a cross section formed like the letter I.I形金属横梁，工字梁：由短翼缘和一个十字部分做成象字母 I的钢制托梁或主梁美国传统〔annual ring〕The layer of wood formed in a plant during a single year. Annual rings appear concentric when viewed in cross section.年轮：一年里树木长出的层。从截面上看年轮呈同心圆状美国传统〔cavetto〕A concave molding with a cross section that approximates a quarter circle.飞檐的凹圆线脚：截面近于九十度弧的凹线脚美国传统〔cross section〕The class surveyed a cross section of the student body.班上对有代表性的学生做了调查。韦氏高阶〔cross section〕The drawing showed the human brain in cross section.这张图显示了人脑的剖面。韦氏高阶〔cross section〕The people in our neighborhood are/form a representative cross section of American society.我们社区的居民是/组成了具有代表性的美国社会缩影。韦氏高阶〔cross section〕The study interviews a wide cross section of US citizens.该研究采访了一大群有代表性的美国公民。麦克米伦高阶〔crosssection〕The contestants are drawn from a cross section of society.参赛者是从有代表性的人群中抽选的。牛津搭配〔crosssection〕We interviewed a wide cross section of people.我们采访了具有广泛代表性的一群人。牛津搭配〔growth ring〕A growth layer in secondary xylem seen in a cross section.生长轮，年轮：树木横截面的次生长木质部的生长层次美国传统〔horizon〕A specific layer of soil or subsoil in a vertical cross section of land.地层，岩层：处于土地的垂直横截面中的某一具体土层或次土层美国传统〔horn〕A hollow, metallic electromagnetic transmission antenna with a circular or rectangular cross section.（喇叭形）天线：中空的，金属制成的电磁发射天线，具有圆形或矩形的覆盖网美国传统〔pier〕A pillar, rectangular in cross section, supporting an arch or roof.支柱：交叉处的长方形柱子，支撑一个拱顶或屋顶美国传统〔platform〕The demonstration provided a platform for a broad cross section of speakers.示威集会为具有广泛代表性的人士提供了发表意见的机会。柯林斯高阶〔resistivity〕Electricity The resistance per unit length of a substance with uniform cross section.【电学】 电阻系数：有均质截面的某一物质单位长度上的电阻美国传统〔study〕The study group was selected from a broad cross section of the population.研究小组是从社会各界挑选出来的。牛津搭配〔terete〕Cylindrical but usually slightly tapering at both ends, circular in cross section, and smooth-surfaced.圆柱状的：圆筒状但通常两端微尖、截面成圆形且表面光滑的美国传统〔torus〕Architecture A large convex molding, semicircular in cross section, located at the base of a classical column.【建筑学】 凸圆线脚，座盘装饰：一种大的凸起装饰，呈环状半圆形，用于古典雕柱的底座美国传统 |
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