It means that a successful mutated line of rotifers will not be diluted by the genetic mixing caused by sexual congress.

这意味着一个成功的轮虫突变系不会被有性繁殖引起的基因混合所稀释。

Species which reproduce parthenogenetically and sexually have the best of both worlds - enjoy the advantages of very different things at the same time.

既能单性殖又能有性殖的物种两头受益——同时享有截然不同的事物的优势。

Scientists hypothesize that sex makes up for its shortcomings with long-term gains.

科学家们提出假说，认为有性殖的长期收益能弥补不足。

So for one thing, they work only in sexually reproducing species.

首先它只能应用于有性殖的物种。

This cycling between sexual and asexual phases is called the alternation of generations, and it helps keep plants flourishing, from Granddaddy Succulent to Great-grandbaby Succulent — and even beyond that.

这种有性和无性之间的循环被称为世代交替，它有助于保持植物的繁盛，从祖孙多肉植物到曾孙多肉植物，甚至更远。

Louise Bourgeois was an influential artist best known for her large sculptures of metal spiders. Much of her art was fearless, sexual and strange.

路易丝·布尔乔亚是一名颇具影响力的艺术家，以她的大型雕塑金属蜘蛛最为出名。她的多数艺术都是无畏的、有性且奇怪的。

" And of course it is absolutely amazing and difficult for a human mind to understand that sexual reproduction begins so late in life."

“当然对人类来说这绝对是相当惊人的，人类思维很难理解有性繁殖开始的这么晚。”

Mr Hendrickson, who regards Gregory as a tainted witness, concedes the possibility of a certain amount of sexual role-swapping between Hemingway and his wives.

亨德里克森先认为格雷戈里是承认海明威与其众多妻子之间可能会有性角色互换的污点证人。

Peel-apart instant film has become a nostalgic luxury in China, prized for its rarity, analog charm, and the romantic unpredictability of each shot.

撕拉片已成为中国的一种怀旧奢侈品，因其稀有性、独特的胶片质感以及每张照片充满浪漫的不可预测性而备受珍视。

Fruit, of course, has a sexual connotation, thanks to Eve, although the Bible doesn't specifically say which fruit Eve ate.

水果当然有性的含义，这要归功于夏娃，尽管圣经没有具体说明夏娃吃了哪种水果。

It is not involved in sexual mixing, so it changes only by the random process of mutation.

它不参与有性殖中的基因重组，所以只有在随机突变中才会发变化。

Researchers found that the male sparrows that adopted the newer songs had higher rates of sexual reproduction.

研究人员发现，雄性麻雀中声音比较新潮的麻雀有性繁殖的几率更高。

More than 80 different sexual vertebrate species — including Komodo dragons and certain kinds of turkeys, pythons, and sharks — have surprised us by occasionally reproducing this way.

超过 80 种不同的有性脊椎动物，包括科摩多巨蜥和一些火鸡、蟒蛇、鲨鱼等，偶尔会以这种令人惊讶的方式繁殖。

But for species that reproduce sexually, this may not be the case.

但对于有性繁殖的物种来说，情况可能并非如此。

IVF works by mimicking the brilliant design of sexual reproduction.

试管受精通过模仿有性殖的精妙设计来实现其功能。

Both novelty and rarity have this awful way of driving prices straight up.

新颖性和稀有性都有种可怕的方式，能把价格直接推高。

Now, it also has a sexual meaning.

现在，它也有性的意义。

One rarity of ingredients and two difficulty of creation.

一种食材的稀有性和两种制作的难度。

A " hottie" (hottie) is someone who's very beautiful, very sexually attractive.

“性感美女” （hottie）是指非常漂亮、非常有性吸引力的人。

You only make out with someone that you are sexually attracted to.

你只会和对你有性吸引力的人亲热。