The curve is more than just an aesthetic feature - the arch forces the water to press downwards against the dam.
它的曲线不仅具有美学特征，它的拱门更是将水流压向水坝的下方。
Gradually add more body weight over the foot, allowing the ball to press into your arch. Begin to slowly move your foot, allowing the ball to massage your heel, forefoot, and toes.
身体的重量会慢慢移到脚上，让球按摩你的足跟，脚前部和脚趾。
Press down on the mat with your hands, gently increasing the arch in your back.
这时，双手紧压地面，轻轻向后弓背，增加弧度。
Ms Rice received glowing press after her recent European tour. And US conservatives are looking for a candidate to counter their arch-nemesis: Hillary Clinton.
最近的欧洲之行归来以后，赖斯受到了很大的压力，而且美国的保守派们正在寻找一位候选人来对抗他们的主要劲敌希拉里·克林顿。
The results show that the formula which is based on the theory of pure-pressarch bucking are not adapt to the bucking analysis of press-bending arch.
由于各国规范的理论基础均来源于纯压拱的线弹性分支点屈曲，因此应用这些公式来估算弯压拱的分支点屈曲荷载必须使用相对较大的稳定系数。
The results show that the formula which is based on the theory of pure-pressarch bucking are not adapt to the bucking analysis of press-bending arch.
由于各国规范的理论基础均来源于纯压拱的线弹性分支点屈曲，因此应用这些公式来估算弯压拱的分支点屈曲荷载必须使用相对较大的稳定系数。
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