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Reading II Supplementary --21-- regulate temperature 调节温度

all-round ---- all-around; Comprehensive in extent or depth 全面的

Able to do many things well; versatile:多才多艺的〈体〉全能的

a good all-around education优良全面的教育an all-round athlete 全能运动员transfer ---- vt To convey or cause to pass from one place, person, or thing to another 转移assign ---- designate指派To select for a duty or office; appoint.委派

UNIT 15 THE THREE EXPRESS TRAINS

Inland----[‘inlEnd] Of, relating to, or located in the interior part of a country or region内地的，内陆的Express ----Sent out with or moving at high speed 快递的

Direct, rapid, and usually nonstop 直达的

express delivery of packages包裹快递an express bus直达公共汽车base ---- A supply center for a large force of military personnel.基地大量军事人员武装部队的供应中心

staple ---- A basic dietary item, such as flour, rice, or corn. 主食, 基本食品如面粉、大米或谷物Principal; main 主要的, 基本的

a staple topic of conversation 谈论的主要话题

predominant ---- main or prevalent 最主要的；主要的或流行的：

the predominant color in a design 设计中的主色调

Dominant applies to what exercises principal control or authority or is unmistakably ascendant: The Soviet Union is the dominant nation of Eastern Europe. 苏联是东欧的主要国家。Predominant is often nearly identical with dominant but more often implies being uppermost at

a particular time or for the time being Predominant几乎常与dominant意义完

全相同，但是更常带有在某一时候或暂时至高无上的意思

Operational ---- ready for use胜任的，可用的an operational aircraft可用的飞机

Being in effect or operation 实行的或有效的

de facto apartheid still oper ational even in the “new” African nations

即使在‘新的’非洲国家里，种族隔离仍然存在

commodity---- Something useful that can be turned to commercial or other advantage.商品An article of trade or commerce, especially an agricultural or mining product农矿产品The prices of the -ties are quite stable this year.今年各种物价相当稳定。

a commodity of brown paper 廉价处理的次品，不值钱的东西

goods----[P ] [^udz]BrE alsoAmE freight heavy articles which can be carried by road, train, etc.货物

articles for sale商品have all one's goods in the window肤浅, 华而不实transit ----[‘trAns it] Conveyance of people or goods from one place to another, especially on a local public transportation system 运输

livestock----Domestic animals, such as cattle or horses, raised for home use or for profit, especially on a farm. 家畜家养的牛、马等动物，专为家用或买卖，尤指养于农场上的poultry ---- [‘poltri] Domestic fowls[au], such as chickens, turkeys, ducks, or geese, raised for meat or eggs. 家禽用作蛋品或肉类的家养禽类，如小鸡、火鸡、鸭或鹅