常見例句雙語例句What's the definition of the covalent bond?共價(jià)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(jià)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(jià)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?jǐn)?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(xué)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(jià)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(xué)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(wèi)在共價(jià)電子,中吸引電子的元素。麻省理工公開課 - 固態(tài)化學(xué)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 StoryLocklin and his colleagues sprayed the substance onto materials and exposed them to ultraviolet light, which causes a covalent bond with the host material.FORBES: New Antibacterial Clothing: Secret Ingredient Revealed 返回 covalent bond