trap-door flap 合页状皮瓣
hinge flap trap-door flap 翻转皮瓣
flap door 吊门 ; 舌门 ; 翼门
flap-door 吊门
flap-up door 上翻门
flap-door r 吊门
Then its miniature wings begin to flap as it slips under the door and darts along the street.
当它从门下溜出后，它的微型翅膀开始扑闪并沿着街道飞去。
And of the flap garage door is also a kind of automatic lighting conditions, which can make our operation more convenient.
并且翻板车库门呢也是自动照明的一种状况的，这就可以让我们的运行比较的方便。
The pictures even solved a problem for Cooper after his owners saw pictures of him constantly looking at the back door - they realised he needed a cat flap.
这些照片甚至为库珀解决了一个难题：它的主人看到他不停地看着后门，意识到需要为它准备一个门。
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