名詞 tract:

1. an extended area of land
   同義詞：piece of land, piece of ground, parcel of land, parcel
2. a system of body parts that together serve some particular purpose
3. a brief treatise on a subject of interest; published in the form of a booklet
   同義詞：pamphlet
4. a bundle of myelinated nerve fibers following a path through the brain
   同義詞：nerve pathway, nerve tract, pathway

1. Developing a30-acre tract.
   開拓三十英畝土地
2. A tract that may be owned, together with everything growing or constructed on it.
   地域包含生長于其上的所有的東西或建筑的一片土地
3. A line established by sighting in surveying a tract of land.
   橫斷線在測量一塊土地時通過目視確定的線
4. He took many photos of the wide tracts of desert in North Africa.
   他拍了許多關(guān)于北非的廣大沙漠的照片。