covalent是什么意思？

covalent的音标：covalent的英式发音音标为：[ˌkəʊ'veɪlənt]covalent的美式发音音标为：[ˌkoʊ'veɪlənt]...

In covalent bonding, atoms share electrons.在共价键联中, 原子共有电子.Crystals may be classified as either ionic or covalent by analogy with molecules.与分子的情况一样,晶体也可以分为离子键型和共价键型.Ceramics primarily have ionic bonds, but covalent bondi...

Halogen bond is known as a kind of non - covalent intermolecular interaction.卤键是一种类似氢键的分子间弱相互作用.Chemical bond mainly includes electrovalent bonds , covalent bonds, and metalic bonds.化学键主要有离子键 、 共价键 、 金属键.Additionally, co...

“再结合”的英语可以翻译为：eunion，recombination，recombine，reunite ...

I need a cask of wine and some apples.我需要一桶酒和一些苹果.The cask savours of the first fill.酒桶长留初次装酒的香气.Mites are a tiny parasitic insect, the cask has some defensive effect.螨虫是一种微小的寄生小虫, 木桶也有一定的防御效果." A cask of Amontillado! " ...

n.红木（树液为红色的树木，如桉树、苏方木等）...

纯净的空气使天空变得更蓝.A clear atmosphere intensifies the blue of the sky.这是纯净的饮用水.This is pure drinking water.钻石是纯净的碳.Diamonds are pure carbon....

肾的功能是排泄人体里的废物.The function of the kidneys is to excrete wastes from the body.在喂食或排泄时管型经常受到污染.Casts are usually soiled either during eating or elimination.肾脏的功能是排泄代谢废物.The function of the kidneys is to excrete waste produ...

Then one of the patients died, and Barrio's team was able to examine the brain.后来,一位病人去世了, barrio小组可以直接检查他的脑部.The method might also be useful in testing whether treatments for Alzheimer's are working , Barrio s...

The inmates were moved to an undisclosed location.监狱里的囚犯被转移到一个秘密处所。Last year 600 inmates rioted, starting fires and building barricades.去年，600名犯人闹事，他们纵火并设置路障。A dozen inmates have absconded from Forest Jail in the past ye...

“嗅毛”的英语可以翻译为：aesthetases ...

白细胞溶解...

gonangium的音标：gonangium的英式发音音标为：[gə'nændʒɪəm]gonangium的美式发音音标为：[goʊ'nændʒɪrm]...

“引述”的拼音为：yǐn shù...

His land is fenced with barbed wire.他的田地四周围有带刺的铁丝网。The governing classes owned land outright, fenced it off, and gloried in its possession.统治阶级拥有全部土地, 他们用栅栏把地隔开, 以占有土地为荣.We were led to a fenced enclosure.我们被带到一处用篱笆围住的场地....

gambling house的音标：...

装牛奶的硬纸盒壁常常向外弯曲.The sides of a cardboard carton of milk will often curve outwards.是关闭结束卡车二手的为运输被包装的硬纸盒?Are closed end trucks used for transporting packed cartons?所有的硬纸盒都堆放在地板上.All the cardboard boxes lay piled on the floo...

作者是本报副刊记者.The writer is Lianhe Zaobao's zbNow reporter.文章第三部分功利性地分析了《晨报副刊》之所以成功的所在.At the third part, it analyses the reasons the Supplement to Morning News can succeed materialistically.六是报业竞争使报纸副刊更具可读性、与“新闻纸”的主体更加...