The sex of the embryo is predetermined at fertilization.
胚胎的性别早在受精时就决定了。
The new technique has been used to identify the sex of fetuses.
这项新技术已被用来鉴定胎儿的性别。
A female stores sperm and can determine the sex of each egg she lays by fertilizing it or leaving it unfertilized.
雌性储存精子，可以通过受精或不受精来决定每一个卵细胞的性别。
Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.
与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。
Second, because only male deer rub, the buck rub and its associated chemicals indicate the sex of the deer producing the rub.
第二，因为只有雄鹿会做出摩擦动作，摩擦动作和与之相关的化学物质表明了制造擦痕的鹿的性别。
The sex scandal finally led to his downfall.
这桩绯闻最终使他身败名裂。
During the third month of pregnancy the sex of the child becomes determinable.
孩子的性别在妊娠期第三个月便可查明。
Microscopic examination of a cell's chromosomes can reveal the sex of the fetus.
用显微镜检查细胞染色体可以查出胎儿的性别。
The entire film revolves around drugs, sex and violence.
整部电影都围绕着毒品、色情和暴力展开。
The authorities often know that sex offenders will attack again when they are released.
当局通常知道性犯罪者被释放后还会再犯。
He claimed that sex and violence on TV led to the corruption of young people.
他断言电视中所宣扬的色情与暴力诱使青少年堕落。
She still has the energy and sex appeal of a woman less than half her age.
她仍然有着年纪比自己小一半还多的女人的精力和性感。
The majority of sex offenders have a low opinion of themselves.
大多数性犯罪者自我评价都很低。
Body language can also be used to attract members of the opposite sex.
肢体语言也可以被用来吸引异性。
The child's same-sex parent acts as a role model.
孩子的同性家长是孩子效仿的榜样。
Raquel Welch was at the height of her popularity as a sex goddess.
拉克尔·韦尔奇作为一位性感女神曾红极一时。
Participants were balanced across the three groups for age, sex, educational background, severity and duration of depression, and use of antidepressants.
就年龄、性别、教育背景、抑郁症的严重程度和持续时间以及抗抑郁药物的使用这几点来说，这三组参与者都保持了平衡。
"There's a mountain of evidence proving the importance of sex influences at all levels of brain function," he told The Seattle Times.
他在接受《西雅图时报》采访时表示，“大量证据证明，性对大脑各方面功能有影响。”
There were no sex differences in the life and environmental sciences.
在生命科学和环境科学中没有性别差异。
Behind the differences in sex, skin tones and mother tongues, there are common attitudes, expectations and ambitions which risk creating a set of clones among the business leaders of the future.
在性别、肤色和母语的差异背后，存在着共同的态度、期望和抱负，这些都有可能在未来的商界领袖中催生出一套复制品。
One study found that if you are interviewed by someone of the same sex, they may be less likely to employ you if they judge that you are more attractive than they are.
一项研究发现，如果你被同性面试，如果他们认为你比他们更有吸引力，他们就不太可能雇用你。
他脑子里想的全是性。
Our level of attraction to the opposite sex has more to do with our inner confidence than how we look.
我们对异性的吸引程度更多地与我们内心的自信有关，而不是外貌。
I've personally never subscribed to the view that either sex is superior to the other.
我个人从未持有过一种性别比另一种性别优越的观点。
The modern-day sex symbol has now taken the place of the old-fashioned hero of yesteryear.
当今的性感偶像已经取代了往昔过时的英雄形象。
Political sex scandals are all grist to the mill of the tabloid newspapers.
政界的性丑闻对通俗小报总是多多益善。
Women frequently say that they feel awkward taking the initiative in sex.
女性经常说她们觉得在性方面采取主动令人难为情。
The profession is trying to sex up its image.
这个行业正在设法使自身形象更加吸引人。
The profession is trying to sex up its image.
这个行业正在设法使自身形象更加吸引人。
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