稀有

It is the first time to mutate the key rare codons in seap gene in the world.

对seap基因中关键稀有密码子的突变在国内外尚属首次。

The ambiguity, abstraction, and mysteriousness of the pictures, on the one hand, revealed his state of obscurity and uncertainty, and one the other hand demonstrate his perception of colour, and more specifically, his perception of the abstract nature of colour. This is consistent with his pursuit of the beauty, rarity and harmony of colours.

同走入观念的前卫艺术不一样，他仍在追求"绘画性"，其画面的暧昧、抽象、神秘一方面表达出他身处朦胧和不确定的状态，一方面显示出他对纯色彩要素的认识—即对色彩中抽象性质的认识，这和他在写实画中追求色彩的美妙、稀有、合谐，有相通性。

No, our host explained, it was the skin of a narwhal , one of the rarest mammals in the world the Inuit are allowed to hunt a certain number each year.

其实不然。主人解释说，那是一角鲸的皮。一角鲸是世界上稀有的哺乳动物之一，因纽特人获准每年可以捕捞一定数量。

My next question is I thought False neg was extremly rare outside the window period?

接下来的问题是，我以为是假南德特稀有窗外期？

Through investigation, 26 kinds of soil animal were collected , which could be classified into 9 classes belonging to 4 phyla. The dominent group taxa of among them were Nematoda, Collembola and Acarina.

在土壤重金属污染8个样地中，共获取土壤动物26类，隶属于4门9纲，优势类群为弹尾类、螨类和线虫类，常见类群8类，稀有类群15类。

Lastly, we use the highest quality neoprene available to add additional support to our products.

另外，我们用现有质量最好的稀有土磁石为产品强力的支持。

You are looking at the newest members of one of the rarest species in the world.

你看到的是世界上最稀有的物种之一的新生儿。

A research team used a newfangled method for measuring rare isotopes to accurately date glaciers in New Zealand.

一个研究小组使用一种新奇的方法来测量稀有同位素的含量，从而准确地的推测出位于新西兰的冰川年代。

This rare event is probably a case of reversion to the longlost, aboriginal instinct of nidification

这稀有的事实，也许是它们久已失去的造巢育雏的本能之重现。

This rare event is probably a case of reversion to the longlost, abriginal instinct of nidification.

这稀有的事实，也许是它们久已失去的造巢育雏的本能之重现。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷