查询词典 extinct

The main purpose of careful observations on external appearance and internal anatomy is to throw light on the evolution of the modem family Pinaceae:To Pinus, attention is paid to the relation of different subgenera, sections and subsections; to Pseudoaraucaria and Pityostrobus, through analysis of the extinct types, trying to clear the evolution relations among all genera so as to finish the systematic tree is of most importance. Currently there are two hypotheses, i.e. Pinus center theory and Pseudoaraucaria branch theory.

对松科化石球果进行细致的外部形态及内部结构的研究主要目的在于演化关系的探讨上：对于Pinus，主要探讨这个属内各个亚属、组、亚组之间的演化关系；对于Pityostrobus和Pseudoaraucaria，通过绝灭类型的分析，探索松科内各个类群的演化关系进而完成进化树是研究的主要方向，现在这方面已有了Pinus中心说及Pseudoaraucaria分支说两个假说。

Three of them are now extinct and the other 5 subspecies of tigers are endangered.

其中三人已经消失，而其他5个亚种老虎正面临绝种威胁。

There are eight separate subspecies of tiger in the world, three of which are extinct and one of which is almost certain to become so in the near future.

世界上有8个不同的亚种老虎，其中3种已经灭绝，其中一种在不久的将来也将会灭绝。

Of or relating to the superorder Labyrinthodontia,an extinct group of amphibians resembling crocodiles and having a labyrinthine tooth structure.

迷齿亚纲动物有迷齿纲总目的动物或同迷齿纲总目有关的动物，是一群与鳄鱼相象的已灭绝两栖动物，长有结构复杂的牙齿

Any of various small,mostly tailless,extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.

翼手龙任一种小型已灭绝的翼龙目的飞行爬行动物，它们绝大多数都没有尾巴，生活在侏罗纪和白垩纪之间的那段时期

The horse, as we know it, comes from the extinct wild horse, the tarpan.

野马 众所周知，家马来自已经绝种的野马塔潘。

These critters are native to the highlands of an Indonesian island, but were thought to be extinct for decades. In 2008, researchers finally tracked live specimens of the pygmy tarsier, which looks like a living version of the Furby electronic toy.

这种猴子原产于一座印度尼西亚小岛的丘陵地带，但是人们认为它们早在几十年前就已经灭绝了。2008年，研究人员再次看到活着的侏儒眼镜猴，它们的外形酷似可爱的菲比公仔电子玩具。

In this argument, the arguer states that humans arrived on the Kaliko islands seven thousand years ago and within three thousand years, most of the large mammal species that had lived in the forests there had become extinct.

在以上述论中，论述者称，人类在7，000年之前就已抵达Kaliko群岛，而在不到3，000年的时间内大多数栖息在Kaliko群岛森林中的大型哺乳动物物种便已宣告灭绝。

A Thraco-Phrygian language spoken by the ancient people of Thrace but extinct by the early Middle Ages.

古特拉加人说的雷斯-弗里吉亚语但中世纪初期已经绝迹。

When people should be aware of extinct thylacine, the protection of the park began last a thylacine, it thylacine only 48 days before the final days.

当人们意识到袋狼就要灭绝时，才开始保护公园里的最后一只袋狼，这只袋狼才过了最后48天的好日子。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。