backcrossed的音标？

F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交....

v.回[逆]交，回交杂种( backcross的过去式和过去分词 )...

我会打补丁，缝纽扣。I know how to darn, and how to sew a button on.我打了个寒战，用围巾把脖子围得更紧了。I shivered and pulled my scarf more tightly round my neck.他和史密斯打了一架，把后者的鼻子打出了血。He had had a fight with Smith and bloodied his nose....

breadth的音标：breadth的英式发音音标为：[bredθ]breadth的美式发音音标为：[brɛdθ]...

Anyof about 900 species ( order Chiroptera ) of the only mammals to have evolved true flight.九百多种,属 翼手目.是唯一一类演化出真正飞翔能力的哺乳动物的统称.Among tham , 7 species is belonged to Rodenria, and Carnivora, Chiroptera and Insectivora onl...

antinomian的音标：antinomian的英式发音音标为：[ˌæntɪ'nəʊmɪən]antinomian的美式发音音标为：[ˌæntɪ'noʊmɪrn]...

The dramatic World Motor Sports Council meeting in Paris blew the championship wide open as Schumacher was also docked six points...在巴黎召开的令人瞩目的世界汽车运动理事会会议使冠军归属充满各种可能，因为舒马赫也被扣了6分。The dramatic World Motor Sports Council me...

“电通信”的拼音为：diàn tōng xìn...

vie的现在完成时为：vied...

n.鲍里斯（男子名）...

半无脑畸形，半无头畸胎...

“作罢”的拼音为：zuò bà...

Like the Humanists or the Agrarians, he has always thought tradition important.一如人文主义者和重农派, 他一贯认为传统是重要的.Humanists may not readily accept the truth.人道主义者不会轻易接受这个事实.Liberals and humanists are born to be my frinds.自由主义者和人道主...

n.度（平面角单位，等于直角的百分之一）...

Southern farmers enshrine tombs on hillside terraces.南方人把坟墓盖在山上.We are now going to go for domestic legislation [ which ] will enshrine some targets.我们将在国内 立法 以确定一些目标....

centimetre的音标：centimetre的英式发音音标为：['sentɪmi:tə(r)]centimetre的美式发音音标为：['sɛntəˌmitɚ]...

n.平滑肌无力...