Carcinoma of the oesophagus usually extends by local invasion and lymphatic spread.食管癌通常通过局部浸透和淋巴扩散而扩展.The lacteals of villi are part of the lymphatic system.绒毛的乳糜管是淋巴系统的一部分.Lymph nodes are round or bean - shaped structu...
Caroline joined them on the shopping expeditions.卡罗琳加入了他们的购物之旅。expeditions to the far-flung corners of the world去世界偏远地方的探险The war - chief could only give orders on military expeditions.酋帅仅仅在出征时才能发号施令....