单词	窦口
释义	窦口aditus antrum
随便看	loweporus inflexibilis lower lower abdomen lowerable lower acceptable mean maximum pressure lower acceptance value lower aileron lower alarm limit lower animals lower anxiliary note lower apex of fold lower approximate value lower apsis lower arc lower arch bar lower a sail lower atmosphere lower--atmosphere lower austral life zone lower austral zone lower austral zone--austroriparian zone lower austria lower away lower back lower back pain