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。
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.
另见“奇异剑齿兽被发现——食的是……草？”
See "Odd Saber-Toothed Beast discovered-preyed on... Plants?"
一排剑般的尖牙赋予了矛齿鱼的绰号：剑齿鲱。
A row of swordlike fangs gave the Enchodus its nickname: saber-toothed herring.
然而剑齿龟生活的年代还没有草生长，因而食物来源可能是二叠纪植物群的茎或叶。
Grasses did not exist at that time but it may have fed on stems or leaves of Permian flora.
在乍得Toros Menalla地区，古生物学家从发掘的化石中辨认出两种新的剑齿物种。
Palaeontologists have identified two new sabretooth species among fossils unearthed at Toros Menalla in Chad.
他对BBC新闻说：“剑齿动物猎杀所有的哺乳动物，如牛科动物、马科动物和灵长目动物等等。”
He told BBC News: "Sabretooths hunted all mammals; bovids, equids.".. and primates.
正确来说在那个时间，穴居仍然在欧洲大行其道。毛发蓬乱的猛犸，剑齿猫，还有其他现已灭绝的动物在当时生活得很好。
To put that time in perspective, Neanderthals were still marching around Europe. Woolly mammoths, saber-toothed cats, and numerous other now-extinct animals were going strong.
剑齿虎，是已经灭绝的剑形齿类动物的一种，这也许是史前哺乳动物中最出名的一种了，也是最有名的剑齿类猫科动物。
Smilodon, is an extinct genus of machairodont felid. It is perhaps one of the most famous prehistoric mammals, and the best known saber-toothed cat.
大约一百万年以前，长着剑齿的老虎、巨大的懒猴和其他庞然大物突然跌进坑内，它们在粘胶似的沥青里被永久保存了下来。
Ahnost a million years ago, saber tooth tigers, giant sloths and other monsters stumbled into the pits where they were preserved forever in the sticky tar.
虽说像萨哈人猿乍得种这样的古灵长目动物给剑齿猫科动物腾出了广阔的活动空间，但它们也可能靠这些以及其他的大型食肉动物生活。
While ancient primates like Sahelanthropus tchadensis gave sabretooth cats a wide berth, they may also have depended on these big carnivores - and others - for their survival.
剑齿动物有可能猎食大型食草哺乳动物，而且它们很可能将猎物上足够多的肉留给大小如豺的Hyaenictheriu甚至像萨哈人猿乍得种这样的食腐动物。
Sabretooths would have hunted large herbivorous mammals, and probably left enough meat on their kills for scavengers like the jackal-sized Hyaenictherium and perhaps even primates like Sahelanthropus.
有一宗人，牙如剑，齿如刀，要吞灭地上的困苦人，和世间的穷乏人。
There is a generation, whose teeth are as swords, and their jaw teeth as knives, to devour the poor from off the earth, and the needy from among men.
有一宗人，牙如剑，齿如刀，要吞灭地上的困苦人，和世间的穷乏人。
There is a generation, whose teeth are as swords, and their jaw teeth as knives, to devour the poor from off the earth, and the needy from among men.
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