The disappearance of megafauna in America—mammoths, saber-toothed cats, giant sloths, among others—happened relatively soon after the arrival of human beings, about 13,000 years ago.
美洲巨型动物的消失——猛犸象、剑齿猫、巨型树懒等等——发生在人类出现后不久，大约在一万三千年前。
It was hard to believe that a panda-eyed, buck-toothed (龅牙) child could be a hero in hearts of millions of people.
很难相信，一个长着熊猫眼和龅牙的孩子是几百万人心中的英雄。
As the leaves flip, they snap together, trapping the insect in their sharp-toothed jaws.
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。
The largest land-dwelling member of the weasel family is strong, tenacious, sharp-toothed and cunning.
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。
To tear up in a toothed machine.
在有齿的机器上拆碎布或。
The sabre-toothed monsters are unimpressed.
獠牙妖怪们对我们的游戏无动于衷。
The angled roofs result in a saw-toothed profile.
倾斜的屋顶形成了锯齿状的建筑轮廓。
See "Odd Saber-Toothed Beast discovered-preyed on... Plants?"
另见“奇异剑齿兽被发现——食的是……草？”
They prey mainly on sea lions, seals, and small toothed whales.
它们以海狮，海豹，小型齿鲸为食。
This enormous creature is the largest toothed animal alive.
这种巨大生物是现存体积最大的有齿动物。
Denticulate Describing a leaf margin that is finely toothed.
具细牙齿的：叶片的边缘有细密的锯齿。
Use a wide-toothed comb rather than a brush to untangle hair.
使用宽齿的梳子来梳理头发。
The dredge has several hemispheric scoops in place of the toothed bar.
这种捞网用几个半球状的铲子代替了锯齿横杆。
The "saber-toothed squirrel" study was published today in the journal Nature.
“剑齿松鼠”的研究现已发表于《自然》杂志。
It allowed you to protect your helpless offspring from sabre-toothed tigers.
它让你保护你那些无助的后代免遭剑齿虎的伤害。
Use reducer special for plastic extruder with alloy hard - toothed surface.
采用合金硬齿面塑料挤出机专用减速机。
He believes "a saw-toothed advance" will characterize a recovery this autumn.
他认为今年秋季的复苏将以“锯齿式前进”为特征。
Other remains suggest they lived alongside predators including sabre-toothed cats.
发现的其他遗骸化石显示，他们与l包括剑齿虎在内的食肉动物共同生活在同一时期。
This one is used as a starter and drives the starter clutch member via a toothed belt.
这个人是作为启动和驱动器的起动离合器成员通过齿形带。
Jascha Franklin-Hodge, 29, greeted me with a friendly handshake and a gap-toothed grin.
29岁的杰西卡·富兰克林·霍奇友好地跟我握手，裂嘴一笑，迎接我。
These toothed whales eat thousands of pounds of fish and squid-about one ton (907 kg) per day.
长着牙齿的抹香鲸每天要吃数千磅的鱼和章鱼-大约是一吨(907千克)。
Holding steady: the wood or heathland ant holding a microchip in its toothed (serrated) mandibles.
夹稳：这只木蚁用锯齿状下颌夹着一个微芯片。
But these days we don't worry about saber-toothed tigers, and we do give a damn about our happiness.
这些日子我们不怎么关心剑齿虎，但是我们却的确在乎我们的快乐。
A saw consisting of a tough, fine - toothed blade stretched taut in a frame, used for cutting metal.
弓锯一种锯，由一条坚韧、利齿的锯条张紧在一个框架里构成，用于切割金属。
That's good if you’re being chased by a saber-toothed tiger but not so good if you’re caught in traffic.
被一只剑齿虎追赶还不错，但是处于交通拥堵期就不是那么幸运了。
The trend follows the Western fondness of latefor the gap-toothed smile - also a 'young' dental look.
西方最近也流行一种“大牙缝”笑脸的时尚，也是一种显“年轻”的齿相。
The largest land-dwelling member of the weasel family, it is strong, tenacious, sharp-toothed and cunning.
黄鼠狼家族里最大的陆地居住成员，它们是强有力的，坚韧，有锋利的牙齿而且狡猾。
He called the iPhone in a blog post "a sterile Disney-fied walled garden surrounded by sharp-toothed lawyers."
他在一篇博客中称iPhone是一个被神圣化的贫瘠、封闭花园，四周围满了伶牙俐齿的律师。
The razor-toothed piranhas of the genera Serrasalmus and Pygocentrus are the most ferocious freshwater fish in the world.
锯脂鲤属的有着锋利牙齿的水虎鱼是和纳氏锯脂鲤是世界上最残忍的淡水鱼类。
Roughly speaking, these animals filled the ecological niches now occupied by toothed cetaceans such as dolphins and killer whales.
粗略地讲，这些动物在生态系统中所占的位置现在被海豚和杀手鲸一类的齿鲸类占据。
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