壁内的发生于或位于腔或器官的壁内的 Occurring or situated within the wall of a cavity or an organ.
壁身体部位、器官或腔的外表面。常用复数 A wall of a body part, organ, or cavity. Often used in the plural.
基蒂对我们抚育孩子的方式一向吹毛求疵，但是她当了母亲之后，就开始改变她的腔调了。 Kitty used to be very critical of the way we raised our children, but when she became a mother herself she began to change her tune.
起初那个人不肯接受这项工作，但当他感到对自己会有很大好处时，就开始改变腔调了。 At first the man refused to take on the job, but when he realized he could benefit a lot from it, he started to dance to another tune.
