The director of the center asked the nurse to unlock one of the cage doors.

院长让护士打开了一扇门，一个小女孩就跳了出来。

No sooner was the bargain settled than the man opened the cage door, and let all the birds fly away.

就在交易成功的一刹那，这个男人立刻打开了鸟笼的门，所有的鸟儿立刻倾巢而出。

They love to explore their surrounding – just don't forget to shut the cage door.

他们喜欢探索周围的环境——只是不要忘记关上笼门。

" On Monday the cage door opens and clangs to upon the victim for another eleven months and a week, " answered Jonathan.

“星期一，笼子的门打开，在受害者身上又叮叮当当地关了十一个月又一个星期，”乔纳森回答道。

During the experiment, the social robot rat followed the living rats around, played with the same toys, and opened cage doors to let trapped rats escape.

实验过程中， 社交机器鼠跟随活体老鼠四处走动，玩同样的玩具， 并打开笼门让被困的老鼠逃脱。

I had my finger on the cage door release, and as Algernon watched the movement of my hand with his pinkcandy eyes, I'm certain he knew what I had in mind.

我把手指放在笼门的释放闸上，阿尔吉侬睁着粉红色眼睛看着我的手时，我确定它一定知道我心里在想什么。