您要查找的是不是：
- atriohisian tracts 房希斯束
- He wrote all the campaign tracts. 这些竞选传单全是他写的。
- He owns a large tract of forest. 他拥有一大片森林。
- He had an infection in the upper respiratory tract. 他上呼吸道感染。
- He took many photos of the wide tracts of desert in North Africa. 他拍了许多关于北非的广大沙漠的照片。
- A line established by sighting in surveying a tract of land. 横断线在测量一块土地时通过目视确定的线
- To the north of the river is an immense wooded tract. 河北面是一大片林地。
- They reclaimed large tracts of wasteland. 他们开垦了大片荒地。
- Hordes of locusts the crops in tracts rice field. 成群成群的蝗虫毁灭了大片大片的稻田庄稼。
- They opened up large tracts of wasteland. 他们开垦了大片荒地。
- Large tracts of wasteland have become a granary. 荒滩变成米粮川。
- The explorers entered upon a desert tract. 勘探人员进入了一片沙漠地带。
- Vast tracts of forest burned for a week. 大范围的林木一直延烧了一个星期。
- There are tracts of desert in Australia. 澳大利亚有大片沙漠。
- We opened up large tracts of wasteland. 我们开垦了大片荒地。
- A sandy tract or dune by the seashore. 沙丘海边的沙地或沙丘
- A tract of territory had been sliced away. 领土被割去了一块。
- He wrote a tract on this subject. 他曾对此写了一篇短文。
- What he saw was a tract of sand. 他看到的就是一片沙地。
- The phylogeny of the amphibian intestinal tract. 两栖动物肠道的演化发展
