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...

“几内亚”的拼音为：jǐ nèi yà...

“打扰”的拼音为：dǎ rǎo...

sacrifice的复数形式为：sacrifices...

dynatron的音标：dynatron的英式发音音标为：['daɪnətrɒn]dynatron的美式发音音标为：['daɪnəˌtrɒn]...

deuterogene的音标：deuterogene的英式发音音标为：[dju:tə'rɒdʒi:n]deuterogene的美式发音音标为：[djutə'rɒdʒin]...

doughy的音标：doughy的英式发音音标为：['dəʊɪ]doughy的美式发音音标为：['doi]...

[人名] 巴伦，[地名] [美国] 巴伦...

“难得”的英语可以翻译为：hard to come by，rare，seldom，rarely，one in a thousand ...

“赠予者”的英语可以翻译为：alienator，settler ...

“爸爸，又来了吧，又说傻话了。”——“对不起，儿子。”"There you go again, Dad, with your silly words."— 'Sorry. son.'人们嘲笑她,因为她常说傻话.People make fun of her because she always speaks foolishly.人发烧发到一百零二度是不会死的. 你这是说傻话.People don't die ...

Bertha watched the lengthening days, the coloured crocus spring from the ground, the snowdrops.伯莎注意到那逐渐变长的白天, 注意到那些从地面冒出的五彩缤纷的藏红花和那些雪花莲属植物.And tITe, bravely waving in the wind , were one pink crocus.就在那里, 有一株粉红色的番红花却在不屈地...

“失调的”的英语可以翻译为：maladjusted ...

阿米西酮...

n.显微镜载片，显微镜玻片（作显微镜观察时用以放置被检体的玻璃片）...

n.切牙，门齿...