胚囊,普通具有8个遗传上相同的单倍体核.Embryo has most commonly eitht genetically identical haploid nuclei.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.存在于胚囊和胎座中的...
Olga Korbut single-handedly turned gymnastics into a major event.奥尔佳·科布特独自一人将体操变成了一项重要赛事。Hers is the kind of voice that excels at vocal gymnastics.她的嗓音擅长演绎有难度的歌曲。Gymnastics is a sport that requires a considerable level o...
Its doubting and challenging, its quibbling and dialectics, often are irritating to common people.它的疑惑和诘难, 它的诡辨和辩证, 常常是令人讨厌的.There was no doubting the animal magnetism of the man...这个男人无疑有一种野性的魅力。There was no doubting th...
Each language has a different vowel system.每种语言都有不同的元音系统。...English vowel sounds.英语中的元音A long vowel is a long sound as in the word'shoe ".长元音即如“shoe ” 一词中的长音.The vowel in words like 'my' and 'thigh�...
After a three-weekend courtship, Pamela accepted Randolph's proposal of marriage.经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。After sixteen years of marriage they have grown bored with each other.结婚16年后，他们已经渐渐彼此厌倦了。Mr Olaechea has Brit...
Our sow had 15 at one farrow.我们的母猪一胎下了15个小猪.Ireland is the old sow that eats her farrow.爱尔兰就像是吞食自己小猪的母猪.One kind of operation is called a farrow - to - wean farm.有一种养殖方式叫从产崽到断奶养殖场....