backcross的第三人称单数怎么写

backcross的复数形式为：backcrosses...

backcross的现在完成时为：backcrossed...

backcross的现在进行时为：backcrossing...

n.回[逆]交，回交杂种vt.使回交vi.回交...

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....

backcross的一般过去时为：backcrossed...

backcross的音标：backcross的英式发音音标为：[bækk'rɒs]backcross的美式发音音标为：[bækk'rɒs]...

The unspeakable anguish wrung his heart.难言的痛苦折磨着他的心.The thought wrung Tom's heartstrings.这个念头使汤姆大动恻隐之心.He wrung my hand warmly.他热情地紧握我的手.He has wrung the words from their true meaning.他曲解这些字的真正意义....

n.花环，花圈，（烟、云等的）圈状物，环状物v.环绕...

“时而”的拼音为：shí ér ...

在许多情况下异氰酸酯同水, 醇和胺发生猛烈的反应.In many instances isocyanates react vigorously with water, alcohols, and amines.非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物.Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.有关硫...

mite的音标：mite的英式发音音标为：[maɪt]mite的美式发音音标为：[maɪt]...

adv.并列，并肩地，并排，不落后于adj.并排的，并肩的...

At night in their bedroom the newly married couple spent hours of feverish lovemaking.托马辛诺老头子每天晚上都同他们共进晚餐.Did you learn that from your lovemaking with Rick?你是从和瑞克的调情中学到这个的 吗 ?Tantric Sex is meditative, spontaneous and in...

reach的现在完成时为：reached...

“琐事”的英语可以翻译为：trifles，trivial matters，bagatelle，desipience，minutia ...

block off的音标：block off的英式发音音标为：[blɔk ɔf]block off的美式发音音标为：[blɑk ɔf]...

negate的一般过去时为：negated...

消光剂颗粒集结在合成纤维表面附近,导致表面粗糙.Agglomerates of delusterant particles located near the surface of sythetic fibers cause asperities.测定了UV754分光光度计的摩尔消光系数.The molar absorptivity of UV 754 spectrophotometer was measured too.大气湍流与大气消...

huts的音标：...

“下胚叶”的英语可以翻译为：[医] hypenchyme ...

refusal的近义词/同义词有：rejection, disallowance, noncompliance, thumbs, no, negation, forswearing, dissent, abnegation, disclaimer, disapproval, down, nonacceptance, turndown, veto, denial, nix, selection, option, election, abs...