Yet, largely on the basis of named crop varieties that are no longer extant, the UN's Food and Agriculture Organisation estimates that 75% of crop biodiversity has been lost from the world's fields.

据联合国粮农组织估计，以有命名作物品种为基础，75%作物生物多样性已经 在田间消失了。

Megalodon, like their extant  cousins, ate fatty marine mammals, which to be fair, weren't  as massive as they are now.

巨齿鲨和它们现存表亲一样，吃脂肪丰富海动物，公平地说，它们并不像现在这样大。

There are 300,000 species of extant angiosperms around the world.

世界上现存被子植物有 30 万种。

Lucy belonging to the extinct species Australopithecus afarensis was discovered in northern Ethiopia in 1974, with about 40 % of her skeletal bones extant.

露西属于已灭绝南方古猿物种，1974年在埃塞俄比亚北部被发现，目前仍然存有她大约40%骨骼。

No other birds, extant or fossil, in the whole history of birds, occupy the niche of this hyper-predator — only the terror birds.

在鸟类整个历史上，无论是现存鸟类还是化石鸟类，都没有鸟占据过这种超掠食者位置——只有恐怖鸟。

They said their study proves that the Somali sengi " is currently extant" and lives far beyond the boundaries of Somalia.

他们说，他们研究证明索马里象鼩" 目前存在" ，生活在索马里边界之外地方。

They erected the tallest extant pyramid in the Americas in the 14th century A.D., the 1,049-foot-high " Acropolis" .

公元 14 世纪，他们建造了美洲现存最高金字塔，即 1049 英尺高“卫城”。

It had its heyday in the 19th century and was still extant in the early part of the 20th.

它在19世纪达到鼎盛时期，在20世纪早期仍然存在。

Now the mission is to look for actual fossilized organisms or even signs of extant microbial life.

“毅力号”接下务是寻找真正生物化石，甚至是现存微生物痕迹。

It's a form of affection and love that is now no longer extant, yeah?

这是一种现在已经不复存在亲情和爱， 是吗？

And the opposite of that is extant.

而与之相反是现存。

How many emails saying I'm fine do I want to be extant when I die?

我去世时，希望有多少封写着“我很好”邮件还存在呢？

An incident which happened not very long after that airy notion of getting aid from his uncle had been excluded, was a strong sign of the effect that might have followed any extant opportunity of gambling.

在排除了从他叔叔那里得到帮助空想之后不久发生一件事，是何现存赌博机会可能带影响强烈迹象。

Yes, extant crocodiles are their closest living cousins, but there's a lot of extinct diversity in there, a lot going on, and phylogenetics is what helped us untangle all of those complex relationships.

是，现存鳄鱼是它们最近活体亲戚，但其中还存在大量已灭绝多样性，各种演化关系错综复杂，而系统发育学帮助我们理清了这些复杂亲缘关系。

In Colonel Pyncheon's funeral sermon, which was printed, and is still extant, the Rev. Mr. Higginson enumerates, among the many felicities of his distinguished parishioner's earthly career, the happy seasonableness of his death.

在品钦上校葬礼布道中，牧师希金森先生列举了他杰出教区居民尘世生涯众多幸福，其中包括他去世快乐季节。

None other than Mitch McConnell, who has said he's not running for reelection two years from now, and apparently is the sole representative of the pre-Trump Republican Party, now extant.

不仅仅是米奇·麦康奈尔，他声称自己两年后不会再次参选，而且显然是现存唯一代表了特朗普之前共和党人。

A lot of the extant Greek and Latin writing that we have about Arabia is due to events that took place on this Roman-Persian frontier, often military events.

我们所拥有大量关于阿拉伯现存希腊语和拉丁语文献， 很大程度上是由于在罗马-波斯边境发生事件，通常是军事事件。

Aside from being some of the oldest extant species on Earth, these invertebrates have a have an odd way of maintaining rigidity in their bodies--glass.

除了是地球上最古老现存物种之一外，这些无脊椎动物还有一种奇特方式保持身体刚性——玻璃。

In the case of Galileo, We don't have extant, his very earliest telescope, but we do have a lot of textual documentation about it.

在伽利略情况下，我们没有现存他最早望远镜， 但我们有很多关于它文字记录。

And the best preserved and the most extensively extant panel is that on the right-hand side, where we've got Oh, it's very busy.

保存最为完好、内容最为丰富壁画板面位于右侧，画面异常繁复。