词典释义：
any of the more or less distinct parts into which something is or may be divided or from which it is made up
部分。
a relatively distinct part of a book, newspaper, statute, or other document
（书或报纸的）段落，章节；（法律等文件的）款，项。
〈北美〉 一平方英里面积。
〈主美〉 （城镇的）区域，地段。
〈新西兰〉 建房用地。
a distinct group within a larger body of people or things
派别；部门；处；科；股
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the non-parliamentary section of the party .该党的非议会派。
a group of players of a family of instruments within an orchestra
（管弦乐队中的）乐器组
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the brass section .铜管乐器组。
[ in names]a specified military unit
（军队的）特定单位
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a GHQ Signals Section .总司令部信号科。
a subdivision of an army platoon
分排，小队。
【生】 组（尤指亚属）。
[ mass noun]the cutting of a solid by or along a plane
横切。
the shape resulting from cutting a solid along a plane
截面，断面。
[ count noun]a representation of the internal structure of something as if it has been cut through vertically or horizontally
横切面，剖面。
[ count noun]
【外科】 切开。
[ count noun]
【生】 （用于显微观察的植物或动物组织的）切片。
divide into sections
将…分成几部分；给… 分区
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she began to section the grapefruit .她开始掰开葡萄柚。
(
将…隔开
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parts of the curved balcony had been sectioned off with wrought-iron grilles .部分弧形阳台已经用熟铁条隔开了。
【生】 将（动植物组织）切成切片。
【外科】 切开
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it is common veterinary practice to section the nerves to the hoof of a limping horse .把跛马的马蹄神经切开是兽医的通常做法。
(常作
〈英〉 （根据精神病法）将… 强制关进精神病院
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should she be sectioned and forced back into hospital? 是否应将她强行送回精神病院？
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the introductory section 导论部分
真题例句：
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a section of sth …的部分
真题例句：
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a/one section of sth …的部分
真题例句：
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the top section 第一部分
真题例句：
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a/one section of sth …的部门
真题例句：
"late Middle English （as a noun）： from French
