音標發(fā)音英式音標 [k???ve?.l?nt ?b?nd]美式音標 [ko??ve?.l?nt ?bɑ?nd]英式發(fā)音 美式發(fā)音 基本解釋n. [物化] 共價鍵同根派生 covalent bond相關(guān)詞英漢例句雙語例句What's the definition of the covalent bond?共價鍵的定義是什麼?The ability of an atom to attract electrons, and in particular, in a covalent bond.原子對電子的吸引能力,特別是在共價鍵中。A covalent bond is any time we have a pair of electrons that is shared between two different atoms.所謂共價鍵就是我們有兩個原子,共用一對電子。原聲例句He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.他提到離子百分數(shù),是指一根鍵中,竝非一個分子中。麻省理工公開課 - 固態(tài)化學導(dǎo)論課程節(jié)選A covalent bond is any time we have a pair of electrons that is shared between two different atoms.所謂共價鍵就是我們有兩個原子,共用一對電子。麻省理工公開課 - 化學原理課程節(jié)選Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a covalent bond.同樣的,這個元素在一個電子轉(zhuǎn)移反應(yīng)中,是個很好的受贈者它將成爲在共價電子,中吸引電子的元素。麻省理工公開課 - 固態(tài)化學導(dǎo)論課程節(jié)選權(quán)威例句Avocados have become popular in restaurants and homes because, in food-science terms, they act as a "covalent bond" with other ingredients.NPR: What's in a Name? The Avocado Storycovalent bond更多例句詞組短語短語covalent coordination bond [物化]共價配位鍵;繙譯dative covalent bondcoordinate bond 配位鍵covalent t bond 共價鍵covalent atomic bond 共價原子鍵reversible covalent bond 可逆共價鍵covalent bond更多詞組英英字典劍橋英英字典 a chemical bond in which two atoms share one or more pairs of electrons that hold them together柯林斯英英字典 a type of chemical bond involving the sharing of electrons between atoms in a molecule, esp the sharing of a pair of electrons by two adjacent atoms covalent bond劍橋字典covalent bond柯林斯字典