锋利的刀刃可能会划破皮肤，引起出血。
他们很多都会有锋利的刃。
小心点—这刀刃很锋利。
这些长身鱼钩很锋利。
这把刀很锋利！小心别伤着自己。
这些碎石的一面通常是锋利的。
用一把锋利的刀把三文鱼切成薄片。
你必须有一把锋利的刀。
看起来好像是什么金属东西的锋利边缘割的。
Looks as if it was made by a sharp edge of something in metal.
他用一个锋利的棍子挖了一个四英尺深的洞。
他感觉仿佛有人用一条锋利的棍子朝他戳了进去
He felt as if someone had stuck a sharp stick into his side.
你瞧见我的矛了没有？它是世界上最锋利的矛了。
它们用锋利的牙齿将毒液注入被捕食的昆虫体内。
They use their sharp teeth to force poison into the insects they catch for food.
刀是怎样变锋利？
刀是锋利的。
一块很重的石头可能是用来把锋利的石头打到表面上的。
A heavy stone may have been used to hit the sharp stone into the surface.
每天晚上我都用锋利的刀子给它的脖子挠痒；他很怕这样！
Every evening I tickle his neck with my sharp knife; he is so frightened at it!
简单的扭手腕动作就能使锋利的刀片迅速切碎大量的药草。
Simple wrist-twist motion activates sharp blades that will quickly mince even large quantities of herbs.
当树叶翻转时，它们会合在一起，把昆虫困在它们含有锋利锯齿的颚中。
As the leaves flip, they snap together, trapping the insect in their sharp-toothed jaws.
羚羊下巴上面平整的切痕，显示它的舌头是被非常锋利的片状器具切割的。
The flat cut on the antelope's chin shows that its tongue was cut by a very sharp flake.
黄鼠狼家族里最大的陆地居住成员是强有力，坚韧的，有锋利的牙齿而且狡猾。
The largest land-dwelling member of the weasel family is strong, tenacious, sharp-toothed and cunning.
人类需要使用工具，因为他们没有像其他食肉动物如狮子和老虎那样锋利的牙齿。
Human beings needed to use tools because they did not have sharp teeth like other meat-eating animals, such as lions and tigers.
他的胡子像剃刀一样锋利，就像豪厄尔在搞笑报纸上最喜欢的角色“微笑杰克”。
He had a razor-sharp mustache, like Smiling Jack, Howell's favorite character in the funny papers.
认真的表情，秃顶但有一些美丽的白发，薄薄的嘴唇，下巴很锋利……我记得我以为你不够帅。
An earnest expression, balding but with some beautiful white hair, thin lips, a sharp chin ... I remember thinking you were not handsome enough for me.
其次，高跟鞋在防御迎面而来的敌人时非常有用，这些敌人很容易被这些锋利的、致命的时尚配饰吓走。
Second, heels are quite functional for defense against oncoming enemies, who can easily be scared away by threatening them with a pair of these sharp, deadly fashion accessories.
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。
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.
尽管青铜器和石器还在继续被使用，但青铜在用于制造带有锋利边缘的物件方面要成功得多，这可以应用于从锯子、镰刀到武器等任何东西。
Although copper and stone tools continued to be used, bronze was far more successful in creating sharp edges that could be used as anything from saws and scythes to weapons.
把这么宽的刀刃磨锋利我做不到。
这种动物浑身长满了锋利的长刺。
这些食肉鱼类牙齿锋利。
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