You come inside the airlock, you close the door to space, and you open the door to that spacecraft inside.

你进入气闸，关上通往太空的门，你打开通向里面的航天器的门。

It is even said that they are able to fasten the door of the house inside, so that no robber can get in.

据说, 蜘蛛甚至能在房子里面把门关紧, 所以没有人能够闯进来.

She shut the door, and went half-way into the study; then turned back, as if moved by some passionate impulse, and locked the door inside.

她关上门，走到书房的一半。然后转过身来，仿佛被某种强烈的冲动所感动，把门反锁在里面。