in a body

英文造句：

1. The formation of cavities in a body tissue or an organ, especially those formed in the lung as a result of tuberculosis.
   成洞身體組織或器官內空洞的形成，尤指那種因肺結核而在肺中形成的空洞
2. A shallow place in a body of water, such as a river, where one can cross by walking or riding on an animal or in a vehicle.
   可涉水而過的地方河等水體的淺處，人們可以在此步行或騎動物或用交通工具淌過
3. We must discuss the class activities in a body.
   我們應該全體討論班級活動。