| 单词 | fertilization |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Y-chromosome〕If a Y-chromosome pairs up with an X-chromosome during fertilization, a male baby will result.如果受孕过程中一个Y染色体与一个X染色体相结合，则发育为男婴。剑桥高阶〔agamospermy〕The asexual formation of embryos and seeds without the occurrence of fertilization.不完全无配生殖：胚胎和种子在未经过授精情况下而进行的无性生殖美国传统〔apogamy〕The development of an embryo without the occurrence of fertilization.无配子生殖：无需授精的胚胎发育美国传统〔assisted reproduction〕The use of medical techniques, such as drug therapy, artificial insemination, or in vitro fertilization, to enhance fertility.生育辅助：使用医学技术，如药物治疗、人工受孕或体外受精来提高受孕率美国传统〔conception〕Formation of a viable zygote by the union of the male sperm and the female ovum; fertilization.受精：通过雄性精子与雌性卵细胞结合而形成受精卵的过程；受精美国传统〔conceptus〕The product of conception at any point between fertilization and birth. It includes the embryo or the fetus as well as the extraembryonic membranes.胚胎：从受精到出生期间任一阶段产物的通称，它包括了合子或胎儿甚至胚胎膜美国传统〔continuum〕Development from fertilization onwards is a continuum.从受精开始的生命过程是一个连续的整体。外研社新世纪〔diplosis〕The formation during fertilization of the diploid number of chromosomes by the fusion of the nuclei of two haploid gametes.倍加作用：由两个单倍配子细胞核结合而使染色体体二倍数形成受精美国传统〔endogamy〕Botany Fertilization resulting from pollination among flowers of the same plant.【植物学】 同系交配：在同株植物的不同花朵上进行的摄粉作用美国传统〔female〕Relating to or designating an organ, such as a pistil or an ovary, that functions in producing seeds after fertilization.雌性的：与一种器官有关或指示这种器官的，如用于受精后产仔的雌蕊或子房美国传统〔fertilization〕The average length of time from fertilization until birth is about 266 days.从受孕到出生，通常需要 266 天。柯林斯高阶〔fertilization〕The average length of time from fertilization until birth is about 266 days.从受精到出生, 平均需要约266 天。外研社新世纪〔fertilize〕Immediately after fertilization, the cells of the egg divide.卵受精后细胞立即开始分裂。牛津高阶〔fertilize〕To cause the fertilization of (an ovum, for example).使（如卵子）受精、受胎美国传统〔fuse〕The sperm fuses with the egg to begin the process of fertilization.精子与卵子结合开始受精过程。牛津高阶〔gamete intrafallopian transfer〕A technique of assisted reproduction in which eggs and sperm are inserted directly into a woman's fallopian tubes, where fertilization may occur.配子植入技术：将卵子与精子直接植入女性输软管的生育技术，受精作用即是在输卵管发生美国传统〔gamic〕Of or requiring fertilization to reproduce; sexual.性的，交媾而生的：属于或需要受精繁殖的；性的美国传统〔karyogamy〕The coming together and fusing of cell nuclei, as in fertilization.核融合，核配合：细胞核的融合，如受精过程中美国传统〔oosphere〕A large nonmotile female gamete or egg cell, formed in an oogonium and ready for fertilization.卵球：一种不活跃的大雌配子或卵细胞，形成于卵巢中并在那里准备受精美国传统〔ovule〕Botany A minute structure in seed plants, containing the embryo sac and surrounded by the nucellus, that develops into a seed after fertilization.【植物学】 胚珠：种子植物的一个小的结构，含有胚囊并被珠心所包围，施肥后长成种子美国传统〔parasexual〕Of, relating to, or involving a form of reproduction in which recombination of genes from different individuals occurs without meiosis and fertilization.准性的，拟有性的：属于、有关或包含一种来自各个体的基因重组时没有减数分裂和受精作用的生殖形式的美国传统〔parthenocarpy〕The production of fruit without fertilization.单性结实：未以受精作用结出果实美国传统〔polyspermy〕The entry of several sperm into one ovum during fertilization.多精入卵，多精受精：在受精过程中数个精子进入一个卵细胞美国传统〔predetermine〕The sex of the embryo is predetermined at fertilization.胚胎的性别早在受精时就决定了。牛津高阶〔pronucleus〕The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.原核，前核：在受精细胞核结合之前，精子或卵子的单倍体细胞核美国传统〔self-fertilization〕Fertilization by sperm from the same animal, as in some hermaphrodites, or by pollen from the same flower.自花传粉，自体受精：通过同一动物的精子进行受精作用，如在某些雌雄同体中，或通过同一花的花粉进行的受精作用美国传统〔superfecundation〕Fertilization of more than one ovum within a single menstrual cycle by separate acts of coitus, especially by different males.同期复孕：一个月经周期内不同的性行为引起的多于一个卵细胞的受精，尤指与不同男性发生性行为引起的美国传统〔syngamy〕The fusion of two gametes in fertilization.有性生殖：在繁殖时两个配子的配合美国传统Fertilization occurs as the eggs are laid.受精在产卵时发生。剑桥国际In humans, fertilization is more likely to occur at certain times of the month.人在一个月中的某些时间更容易受孕。剑桥国际She gave birth to triplets following in vitro fertilization treatment.她在接受体外受精后生了三胞胎。剑桥国际The differentiation of the fetal organs occurs in the first few weeks after fertilization.胚胎器官的变异发生在受精后的头几个星期。剑桥国际 |
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