柯林斯词典invaginate 1. V to push one section of (a tubular organ or part) back into itself so that it becomes ensheathed; intussuscept 将(管状器官或部位)一部分推入管中; 向内缩[pathol] 2. ADJ (of an organ or part) folded back upon itself (器官或部位)套叠的 返回 invaginate