Operation 2 - fold inward lengthwise, then unfold.(操作二：把纸向内折叠，然后再展开。)
When they had parted at last, the uncle looked after them with his face shining as with an inward light.(当他们最后分别的时候，大叔望着他们，脸上神采奕奕。)
This entirely normal inward rolling is called pronation.(这种完全正常的向内翻转称为“内翻”。)
The doors in the Triangle Shirtwaist Factory only opened inward.(三角内衣厂的门只向内开。)
Upwards of a billion stars in our galaxy have burnt up their internal energy sources, and so can no longer produce the heat a star needs to oppose the inward force of gravity.(在我们的星系中，超过10亿颗恒星已经耗尽了它们的内部能量来源，因此无法再产生恒星所需的热量来对抗向内的引力。)
A model of good manners, he has conquered any inward fury.(作为礼貌行为的典范，他已经克服了内心的狂怒情绪。)
And David built round about from Millo and inward.(大卫又从米罗以里，周围筑墙。)
Another reason to look inward is rising credit risk.(另一个内部原因是信贷风险越来越大。)
I sighed with inward relief.(我内心释然地长出了一口气。)
He pushed open the front door, which swung inward with a groan.(他推开前门，门呀的一声向里开了。)
