在健康的耳朵上，耳垢可以随表皮的运动向外排出，具有清洁作用并防止污物在外耳道堆积。
In a healthy ear, the wax is moved externally by movement of the epidermis, providing a cleansing action and preventing accumulation in the auditory canal.
《向外伸出的楼梯》我见过的楼房，楼梯都是在楼里面的，这个车站楼房的楼梯却是建在外面的。
The ladder stretching out Most ladders I saw are built in the building except this one.
引线电连接探测部分，并在外壳的轴向另一末端向外伸出。
Lead wires are electrically connected with the detecting section and outwardly extend through an axially other end side of the casing.
引线电连接探测部分，并在外壳的轴向另一末端向外伸出。
Lead wires are electrically connected with the detecting section and outwardly extend through an axially other end side of the casing.
应用推荐