“后部的”用英语怎么说？

他期望小腿后部的伤能够及时复元.He expects to have recovered from his calf injury in time.视网膜是处于眼球后部的感官组织.The retina is the sense reteshow in back part of the eye.(汽车后部的)行李箱.Trumpeter, sound the charge!...