1
a + [adj] + tract of + [noun]
表示广阔的土地或区域，常与 vast, large, extensive 等形容词连用。
A vast tract of forest was destroyed in the fire.
大片森林在火灾中被毁。
大片土地；地带
先理解核心含义，再看它在真实句子里的用法。
大片土地；地带
An area or expanse, especially of land.
A vast tract of forest was destroyed in the fire.
大片森林在火灾中被毁。
一片区域或广阔地带。
An area or expanse.
A series of connected body organs, such as the digestive tract.
A small booklet such as a pamphlet, often for promotional or informational uses.
A brief treatise or discourse on a subject.
The company bought a large tract of land to build a new factory.
这家公司买下了一大片土地来建造新工厂。
Hikers must stay on the path when crossing this protected tract of forest.
徒步旅行者在穿越这片受保护的森林地带时，必须沿着小路走。
Developers plan to turn the empty tract into a public park.
开发商计划把这片空地改造成一座公共公园。
表示广阔的土地或区域，常与 vast, large, extensive 等形容词连用。
A vast tract of forest was destroyed in the fire.
大片森林在火灾中被毁。
用于解剖学，指体内某一系统或器官的通道，如 digestive, respiratory, urinary 等。
The digestive tract is responsible for breaking down food.
消化道负责分解食物。
指篇幅短小的论说文，常涉及宗教或政治主题。
He wrote a controversial tract on economic inequality.
他写了一本关于经济不平等的有争议的小册子。
Not this
He bought a large track of land.
Use this
He bought a large tract of land.
学习者混淆了 'track'（轨道）和 'tract'（地带），两者发音相似但意义不同。
Not this
The infection tracted through the body.
Use this
The infection spread through the body.
学习者误将名词 'tract' 用作动词，但英语中 'tract' 仅为名词，表达传播应用 'spread'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
一片土地
They owned a large tract of land in the countryside.
他们在乡下拥有一大片土地。
呼吸道
Influenza is an infection of the respiratory tract.
流感是一种呼吸道感染。
消化道
The digestive tract includes the stomach and intestines.
消化道包括胃和肠道。
泌尿道
She had a urinary tract infection.
她患有泌尿道感染。
宗教小册子
He was handing out religious tracts on the street.
他在街上散发宗教小册子。
Use tract naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“tract”与“track”相似，但“tract”是区域（地带），“track”是路径（轨迹）。
该词有多种含义，分别用于地理、解剖和文学领域，语体从正式到专业不等。在解剖学中指‘束’或‘道’时为专业术语；指‘大片土地’时多用于正式或文学描述；指‘小册子’时常见于宗教或政治宣传。
作‘大片土地’或‘器官系统’解时，常用‘a tract of’或‘the ... tract’结构。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.