Scientists have dated sharp-edged flakes of stone found in the fine-grained sediments of a dry riverbed in the Afar region of Ethiopia to between 2.52 and 2.60 million years ago.
科学家们已经确定，在埃塞俄比亚阿法尔地区干燥河床的细颗粒沉积物中发现的具有锋利边缘的石片存在于252万至260万年前。
They say she was like a blade herself, as sharp and keen-edged and quick, as if she were made of steel and lightning.
人们说，她就像是一把剑，锋利无比，疾如闪电，似乎她本来就是由钢和闪电铸成的。
These colorful, sharp-edged little punks arrive in a series of pre-perforated sheets for you to construct your own, making you a part of the creative process.
这些色彩缤纷、边缘清晰的小朋克是以一系列冲孔薄金属板的形式到你手中的，你可以自己组装，使你自己也参与创作过程的一部分。
The sharp-edged triangle poking out of the flat ocean was in fact the tip of a shipwreck.
在海平面上突出的锐角三角形实际上是一条渔船。
Prehistoric people in southern Africa developed a highly skilled way of shaping stones into sharp-edged tools long before Europeans did, suggested a study released recently.
最近发布的一项研究报告表明，居住在非洲南部的史前人类发明了远胜过欧洲旧石器时代的高超削石方法，此方法可把石头刮削成锋利的器具。
But her end is bitter as wormwood, sharp as a two-edged sword.
至终却苦似茵？，快如两刃的刀。
A sharp tongue is the only edged tool that grows keener with constant use.
尖刻的舌头却是一柄唯一的愈用愈锋利的刀子。
What I actually did was to take a sharp edged brush and very gently paint over the old highlights , and then I repainted sharper highlights with quick, sweeping motions.
实际上我做的便是用锐利一些的笔刷非常轻的在原来的高光上又涂抹了一次，并且重新很快的彻底的将高光锐化。
Hugh caught a flash of fire, reflecting off a sharp-edged blade.
修看到火光一闪，映出一把刀子的尖锐刃边。
Explain the value of a really sharp point and edge, the latter, particularly with a double edged knife, being as much to prevent the knife from being seized as for slashing.
解释真正锋利的刀尖和刀刃的价值，后者，尤其对于双刃匕首来说，可以用削划在很大程度上防止对手抓刀。
Penetration resistance is an important end-use performance of thin flexible materials where a sharp-edged product can destroy the integrity of a barrier wrap.
抗穿刺性能是尖缘产品包装使用的薄柔性材料的一项重要性能，因为产品的尖缘会破坏阻隔包装的完整性。
Create a new layer and paint with a sharp edged brush a value slightly lighter and less saturated than the lightest sky color.
新建一个层，用锐利边缘的笔刷和笔最亮的天空颜色亮一点低饱和度的颜色。
If a brush won't remove build-up, use a sharp single-edged razor blade to gently remove the dirt from the glass.
如果刷子不能清除玻璃上的污垢的话，就用比较锋利的刀片轻轻的刮除。
In his right hand he held seven stars, and out of his mouth came a sharp double-edged sword.
他右手拿着七星。从他口中出来一把两刃的利剑。
The bowl rests on a plinth, covered by a sharp-edged rectangular roof.
碗在基座上，上面覆盖棱角分明的长方形屋顶。
The application of computer games in primary and secondary education in is a sharp double-edged sword. While there are positive aspects, there are also a large number of problems.
电脑游戏在中小学教育中的应用是一把锋利的双刃剑，有积极的方面，但也存在大量的问题。
In his right hand he held seven stars, and out of his mouth came a sharp double-edged sword. His face was like the sun shining in all its brilliance.
他右手拿著七星。从他口中出来一把两刃的利剑。面貌如同烈日放光。
In his right hand he held seven stars, and out of his mouth came a sharp double-edged sword. His face was like the sun shining in all its brilliance.
他右手拿著七星。从他口中出来一把两刃的利剑。面貌如同烈日放光。
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