它们是光滑的，硬的。
它们是光滑的和硬的。
Touch it. How does it feel? It's smooth and hard.
摸一下。感觉怎么样？又滑又硬。
They have never seen anything that is a smooth and hard as this object and they find it very useful.
他们从来没有见过这是一个平稳和努力，因为这个对象，他们觉得非常有用。
Most Roman pottery is light and smooth to touch and very tough, although, like all pottery, it shatters if dropped on a hard surface.
大多数罗马陶器轻巧而光滑，摸起来很硬，但像所有的陶器一样，如果掉在坚硬的物质上就会碎裂。
Other great teams can comprise smooth negotiator and hard nut (Mr Nice and Mr Nasty) or a brilliant creative brain matched with a first-class commercial mind.
处事圆滑的人与刺儿头能组成好搭档（一个唱红脸，一个唱白脸），创造性人才与一流商业头脑也是良配。
We'll cover methods for maintaining hard edges and smooth contours.
我们将讨论维护硬边缘和平滑的轮廓的方法。
The file hard (60rc) high strength aluminum alloy tube provides a smooth corrosion free sealing surface and excellent abrasion resistance.
文件的硬(60rc)高强度铝合金管提供了一个平稳无腐蚀密封面和良好的耐磨性。
For both versions of the playing field (a and b), the floor consists of green carpet on top of a hard, smooth surface.
两类场地的地面都是在一块光滑硬底板的上面铺设绿色地毯。
An authorized inedible rendering plant shall be of solid construction, with interior finishes of smooth, hard and impervious materials capable of being cleaned.
获得授权的不可食用产品提炼厂应当采用坚固结构，室内装修使用平滑、坚固和不可渗透的材料，并且能够进行清洁。
But when a mother's going to have a baby, her tummy gets smooth and quite hard.
如果是一个快要生孩子的妈妈，她的肚子又光滑又硬的。
Centaurus ships are relatively geometric and smooth, with very few hard edges and little details to break the even surface of the hull. they are almost always symmetric.
人马座舰船的设计相对较整齐和平滑，极少有尖锐边缘和小零碎突出船壳的平坦表面从而破坏其光滑性。它们几乎总是对称的。
Even when you are nearing the end and you are pushing really hard, stay smooth.
即使您已经接近终点，您已经开始最后的冲刺，请保持动作流畅。
This worries him sometimes, so he works too hard to try and smooth out the rough places in the road for his son who will follow him.
这有时让他很苦恼，于是他拼命工作，为追随他的儿子扫尽前进道路的障碍。
Focus on pushing hard but keeping your face, arms, neck, and shoulders smooth.
集中精力加速，但是必须放松您的面部，双臂，颈部和双肩。
Featuring a compact sporty design through hard and smooth lines, between straight and curved, the Explicit also integrates a trunk or storage at the rear for long or heavy-duty traveling.
通过努力，具有线条流畅，紧凑运动型设计，直线和曲线之间的明确还集成了长期或重型旅行后一条主干道或存储。
It's because when you take a look at the cloud, you'll find out that its kind of a strange blend of smooth transitions in one hand and sharp contrasts with hard and bright Outlines on the other.
这是因为当你观察云层的时候，你会发现它是平滑的过渡和尖锐的明暗对比与清晰的明亮的轮廓线两种类型奇怪的混合。
The utility model benefits in that: 1. The surface of the outer thread is smooth, even and hard.
本实用新型的有益效果为：1。外螺纹表面平滑、均匀，硬度高。
It moves in three rows and nine points, The movement is smooth, agile, light, neither hard nor soft.
自然拳路线走三行就点，（万老师可以足尖行点），其动作圆活、步走轻灵、不刚不柔，拳术易。
The style is refined, smooth and indirect, expressing the hard-working meticulous and Spartan character of the people who live south of the Yangtze.
风格优雅华丽，曲调流畅委婉。反映出江南人勤劳朴实、细致含蓄的性格特色。 收藏。
This paper introduces the application of steel-fiber concrete in covered face of smooth slide surface in Hongqiao airport, and presents the mixture ratio of dry hard steel-fiber-concrete.
本文具体介绍了钢纤维砼在虹桥机场平滑道整修工程中的应用，给出了干硬性钢纤维砼的配合比，论证了钢纤维砼配合比的初步方法，并对本次实践结果进行检测，最后提出了应伸的一些问题。
We specialize in making all kinds of saw blade and smooth-edged sickles, garden spades, gatdenflower spades, levelling hoes and hard spade, etc.
专业生产各种锯齿、光口镰刀及锄、锄耙、镐耙等其他园林工具。
My skin looks nice and smooth, but I had to rub quite hard to get the mask off, even with a washcloth.
使用后我的皮肤看起好极了。虽然我使用毛巾来擦，但我还是觉得擦干净有点难。
My skin looks nice and smooth, but I had to rub quite hard to get the mask off, even with a washcloth.
使用后我的皮肤看起好极了。虽然我使用毛巾来擦，但我还是觉得擦干净有点难。
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