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- 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。
- vascular tract 维管域
- 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。
- The organ is penetrated with vascular tissue. 根瘤的器官内有维管组织穿过。
- The explorers entered upon a desert tract. 勘探人员进入了一片沙漠地带。
- A sandy tract or dune by the seashore. 沙丘海边的沙地或沙丘
- Any hematoma may indicate a vascular injury; and. 任何血肿要怀疑血管损伤。
- The primary vascular structure of a root. 根的初生维管结构。
- A tract of territory had been sliced away. 领土被割去了一块。
- Human Dermal Vascular Smooth Muscle Cells! 人真皮血管平滑肌细胞!
- He wrote a tract on this subject. 他曾对此写了一篇短文。
- Advances In Vascular Surgery Vol. 血管手术进展。
- What he saw was a tract of sand. 他看到的就是一片沙地。
- Illustrated treatment of aquatic vascular plants. 水生维管束植物图册。
- A cell in the xylem of vascular plants. 管胞在维管植物的木质部中的细胞
- The phylogeny of the amphibian intestinal tract. 两栖动物肠道的演化发展
- A stele that has a solid core of vascular tissue. 原生中柱一种有管状组织的实心中柱
- Lacking a true body cavity or digestive tract. 无体腔的,无消化道的无真正意义上的体腔的或无消化道的