There are more than 150 known species of chameleons.

目前有超过150种知变色龙。

Conditions such as severe depression, bipolar disorder, and schizophrenia are known risk factors.

严重抑郁症、双相情感障碍和精神分裂症等疾病都是知危险因素。

Educators say the aim is to develop some of the skills they know are lacking: critical thinking, spontaneity and public speaking.

教育工作者说目在于开发他们知中国学所缺乏技能，批判性思维，自发性和公开演讲能力。

The distance from launch to orbit, we know.

升空地点到环形轨道距离 是知。

Last year there were 114 thousand known viruses for PCs.

去年有11.4万个知 PC 病毒。

The first known windmills were utilized in what country?

知首次对风车使用发在哪个国家？

This could be the earliest known instance of prehistoric humans storing food.

这可能是史前人类储存食知最早例证。

Klaus is known to be the oldest.

克劳斯是知最古老吸血鬼。

What's your take on everything that's known at this point?

就目前知情况来看，你是怎么认为？

According to a study published in the journal Cell, the compounds successfully removed deadly strains of bacteria in mice which are resistant to all known antibiotics.

根据发表在《细胞》杂志上一项研究，该化合成功地清除了小鼠体内对所有知抗素有抗性致命菌株。

The Standard Model consists of six quarks, six leptons, five known bosons and a postulated sixth, the Higgs boson (named for a Scottish scientist, Peter Higgs), plus three of the four physical forces: the strong and weak nuclear forces and electromagnetism.

6种夸克、6种轻子、5种知玻色子和1种假设玻色子，(即希格斯玻色子，以苏格兰学家彼得·希格斯名字命名），加上4种理力中3种：强核力、弱核力和电磁力。

It is believed that around 12000 to 15000caravanserais were built along the Silk Road, although only about 3000 are known to remain today, many of which are in ruins.

人们认为，丝绸之路沿线建造了大约1.2万至1.5万家商队旅馆，不过目前知仅存约3000家，其中许多严重受损。

Black holes are the smallest objects in the known universe.

黑洞是知宇宙中最小体。

One Hundred Years of Solitude, A Moveable Feast, White Teeth, The Namesake, The Known World, The God of Small Things, How to Read the Air.

《百年孤独》，《流动盛宴》，《白牙》，《同名人》，《知世界》，《微之神》，《如何阅读空气》。

Older people who watch more television are also less likely to undertake activities known to preserve mental functioning, such as reading or interactive screen base pursuits, such as using the internet or playing video games.

看电视次数更多老年人也不太可能从事知能保持心理机能活动，例如阅读或进行交互式屏幕游戏，例如使用互联网或打游戏。

Let's now zoom down to the smallest insects known, about half the size of a grain of salt, only 0.15 millimeters long: the Fairy Fly.

现在，让我们放大来到知最小昆虫，大约有一粒盐一半大小。

In fact, one out of every ten known species calls the amazon home, and this region is by the world's greatest collection of life on Earth.

事实上，每十个知种中就有一个把亚马逊当做栖息地，它是世界上最大聚集地。

The first known kites have been traced back to what country?

知最早风筝可以追溯到哪个国家？

Among the more than 35,000 known disease-associated point mutations, the two kinds of mutations that this first base editor can reverse collectively account for about 14 percent or 5,000 or so pathogenic point mutations.

在知35000多个疾病相关点突变中，这两种第一碱基编辑能逆转突变共占致病点突变14%或5000左右。

Princess Irulan is the eldest daughter of the emperor of the known universe.

伊茹兰公主是知宇宙皇帝长女。