Lean on the ball as shown, keep the back flat or maintain its natural curve, with the legs straight.
身体俯卧于球体之上，动作如图所示。背部保持正直或保持自然弯曲状态，腿部伸直。
The neat streets of Oslo are not a natural setting for crime fiction. Nor, with its cows and country smells, is the flat farming land of Sweden's southern tip.
奥斯陆整洁的街道并非犯罪小说里常有的环境，而且那些奶牛和乡村味道会告诉你，这里只是瑞典最南端的平坦农田。
That reflects some natural advantages (the place is mostly flat) and some deliberate decisions (such as plenty of cycle lanes and places to lock up bikes).
这其中既有天然优势（牛津这个地方地势较为平坦）的因素，也有正确决策的功劳（比如兴建了许多自行车道以及锁车的地方）的结果。
If your feet naturally suit a high heel and you constantly wear flat shoes, you are going against your natural structure.
如果你的脚天生适合穿高跟鞋，而你却坚持穿平底鞋，你那是在对抗你的生理结构。
The most natural, straightforward, literal, flat-footed interpretation.
最自然，直接，理性和踏实的解释。
The natural hair is arranged in flat curls against the head as the various measurements are taken.
自然的头发是按照头的形状来生长的，所以要测量很多数据。
From the architect. The house was designed for a sixty year old couple. Prior to construction the building site was characterized by flat and natural forestry.
来自建筑事务所的描述。该住宅为一对六十岁的老夫妇设计。在建造之前，建筑场地主要为平地和周边的自然森林。
Stone body thickness can be use as the cornerstone of the lower, rich stone surface mechanism, pointing significantly as intermediate materials, end natural head flat thin as peak shape.
石体宽厚可作为下层基石，石体表面机理丰富、勾缝明显作为中层材料、端头自然扁薄者作为顶峰造型使用。
A granite platform (Granite Flat Panel) was a long-term natural aging, organizational structure, uniform, linear expansion coefficient is extremely small, internal stress disappear, not deformed.
花岗石平台（花岗石平板）经长期天然时效，组织结构均匀，线胀系数极小，内应力完全消失，不变形。
Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.
导管分支丰富，形态自然，分布均匀，管壁光滑，分支导管与上一级导管管径过渡平缓。
Monkey Chief Peace hold shoots two leaves shape, flat straight, natural stretch, pekoe hidden, the "monkey-kui two sharp, ghost not Alice is not curling," said.
太平猴魁外形两叶抱芽，扁平挺直，自然舒展，白毫隐伏，有“猴魁两头尖，不散不翘不卷边”之称。
The northern Yellow Sea muddy coast changes, the formation of coastal landform and the natural zoning of tidal flat are analysed.
分析了冰后期以来北黄海淤泥质海岸变迁及海岸地貌的形成和滩涂的自然分带。
With introduced the situation and development of natural fiber composites, this paper explained that flat fiber composites has expansive application development foreground.
本文阐述了天然纤维复合材料的现状及发展趋势，说明了麻纤维在复合材料应用领域有着广阔的发展前景。
Sharp, flat or natural signs may be placed next to numerals to indicate that these intervals themselves should be sharpened or flattened.
升、降、还原号可标在数字旁边，提示这些音程本身应该升或降。
Store tobacco is flat black plug, but these fellows mostly chaws the natural leaf twisted.
铺子里的烟是又扁又黑的板烟，不过这些家伙嚼的大多是把生叶子拧起来嚼。
FED is a newer vacuum flat panel display. It would be widely applied by reason of natural and vivid color, short response time, wider view Angle, lower power consumption, matrix location.
FED是新一代真空平板显示器件，由于色彩自然逼真、响应速度快、宽视角、低功耗以及矩阵选址等优点，而应用范围广泛。
Here the water wide, flat water, surface skin raft drifting, surf boats, the river embankment of a river to separate North and South sides of the strait to create a natural irrigation miracle!
这里水面宽阔，水流平缓，水面皮筏漂流，快艇冲浪，河中一堤将河水分出南北两岸，创造出了自然灌溉的奇迹！
The main products are Diamond Needle Files, Flat Files, Mounted Points, Wheels, Cutting Blades, Saw Blades, Mental Pen, Natural Diamond Wheel Blade, Diamond Grinding Paste etc.
主要产品有金刚石什锦锉，大扳锉，磨针，磨头，砂轮，切割片，锯片，金属笔，天然金刚石砂轮刀，研磨膏等。
FED is a newer vacuum flat panel display. It would be widely applied by reason of natural and vivid color, short response time, wider Angle of view, lower power consumption, matrix addressing.
FED是新一代真空平板显示器件，具有色彩自然逼真、响应速度快、宽视角、低功耗、矩阵选址等突出优点，应用范围广泛。
PMFHC is natural extension of those used in flat classification and consistency to them.
PMFHC评估框架是对水平分类性能评估方法的扩展，并且与它保持兼容。
PMFHC is natural extension of those used in flat classification and consistency to them.
PMFHC评估框架是对水平分类性能评估方法的扩展，并且与它保持兼容。
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