根瘤含有亚铁和亚铁一氧化豆血红蛋白的混合物.Nodules contain a mixture of ferrous and ferrous - oxy leghemoglobin.在PH值 7.0―7.5时,一经曝气亚铁离子很容易转化为铁离子.Conversion of ferrous to ferric iron occurs readily upon aeration at PH 7 . 0 - 7. 5.第三个例子是前章提到的硫...
Chloe improvises, and calls Gabriel pretending she has had car troubles.克洛即兴创作, 并且叫假装她已经有小汽车麻烦的加布里埃尔.He is of eminent literary talent and always improvises poems in public.他文才极好,经常当众口占新诗.Joey quickly improvises a scene o...
I wanted to spare Frances the embarrassment of discussing this subject.讨论这个话题太尴尬,我不想让弗朗西斯难堪。She found Frances lying on the bed crying pitiably.她发现弗朗西丝躺在床上,哭得十分可怜。Frances invited them to occupy the upstairs of her home.弗朗...
The blare of horns could be heard in the distance.可以听到远处传来的号角声.From the shore they heard gonging and the blare of a mom.船上四个人都听到从河街上飘来的锣鼓、琐呐声音.There came the blare of a brass band.那里传来了铜管乐队的吹奏声....
The hard - won liberties should never be bargained away lightly.好容易才获得自由,绝不能轻易放弃.He's been taking liberties with our female staff.他一直对于我们的女职员过于随便.He often takes liberties with the truth.他常常歪曲事实真相....