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....

double-cross的现在完成时为：double-crossed...

n.交叉腿骨的图形...

adj.& adv.交叉的（地）...

adv.横地，相反地，故意为难地，乖戾地...

处于关键时刻，在紧要关头...

crosswind的复数形式为：crosswinds...

across the board的音标：across the board的英式发音音标为：[ə'krɔs ðə bɔ:d]across the board的美式发音音标为：[ə'krɔs ði bɔrd]...

n.斑马线...

cross-check的第三人称单数（三单）为：cross-checks...

Don't try and double-cross me, Taylor, because I'll kill you.别跟我耍花招，泰勒，要不我会杀了你。Mr Arbor squawked that the deal was a double-cross.阿伯先生大声抱怨说这笔交易是个骗局。Be careful he doesn't double - cross you.当心别让他出卖你....

假黄杨科...

n.横档，横杆...

crosswinds的音标：crosswinds的英式发音音标为：[krɒs'wɪndz]crosswinds的美式发音音标为：[krɒs'wɪndz]...

The fields are crisscrossed by irrigation canals and ditches.田野上沟渠纵横.The paths crisscrossed in the fields.阡陌纵横.Bangkok is crisscrossed by a network of klongs.曼谷有纵横交错的运河网....

He came to a halt at a crossroads fifty yards further on.他在往前50码远的十字路口停了下来。Turn left at the crossroads into Clay Lane.十字路口左转进克雷巷。She turned back towards the crossroads.她折回十字路口。...

vt.出卖，欺骗vi.进行欺骗n.欺骗行为...

n.纵横填字谜( crossword的名词复数 )...

n.十字形图案，纵横交错的网vt.（在…范围内）纵横交错、交叉...

crosstalk的音标：crosstalk的英式发音音标为：['krɒstɔ:k]crosstalk的美式发音音标为：['krɔstɔk]...

backcrosses的音标：...

n.杂种，品种内异系交配体...

Crosswalks coat of paint to encourage walking and biking.过街天桥上都挂上鼓励步行和骑车的条幅.Represents the intersection of two small roads with crosswalks.表示带人行横道的两条小路的交叉路口.Many pedestrians cross the road recklessly instead of using cro...

The optimum operation conditions of ion - exchange are obtained by intercross experimental method.运用正交试验得到了较佳的树脂交换—再生操作条件.These directions embody the trends of integration, intercross and qualification.可以看出沉积物搬运和底形研究的方向体...

开车送，不期而遇， 偶然发现，撞见...

This ability is described by polarization crosstalk or polarization - holding parameter.这种能力用偏振串话或偏振保持参数来描述.At the get - together , several boys in our class performed a group crosstalk.联欢会 上, 我们班的几个男生说了一段群口相声.The freque...

A burro is carrying salt of one large bag backcross a river.有一头驴子驮着一大袋子盐过河.The method can be conveniently applied to practical backcross breeding programs.该方法可以很方便地应用于实际的回交育种....

In recent times the most striking exports have been in the vocabulary of lacrosse and hockey.在近代最突出的外来词是有关长曲棍球和曲棍球运动方面的词汇.There was trauma; I got hit in the head during a lacrosse game.我受过伤; 曲棍球比赛的时候,我的头被打中了.He sprinted ...

crossbar的音标：crossbar的英式发音音标为：['krɒsbɑ:(r)]crossbar的美式发音音标为：['krɔsbɑ(r)]...

zebra crossing的复数形式为：zebra crossings...