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...
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...
Faecal impaction is particularly common in the burned patient.粪块嵌塞特别常见于烧伤病人.Another technique is impaction grafting, which is usually reserved for severe osteolysis.另一种技术是打压植骨, 这通常应用于严重骨溶解.Objective To discuss the method...
He was floored by the announcement.这个通告使他不知所措。He seemed floored by a string of scandals.他似乎被一连串的丑闻搞得茫然失措。The aisle was floored with ancient bricks.过道由古旧的砖块铺就。...
Marmoset: Marmosets are tiny South American monkeys.狨: 狨是南美洲的一种体型轻巧的猴类.Marmoset: Marmosets are small monkeys in South America.绒猴: 绒猴是南美的一种小型猴.Until now, babbling had been observed only in humans and a few primates pygmy ...
现在到了你该赶紧动起来的时候了吧？Isn't it about time that you pulled your finger out?我得赶紧走了。几分钟后要开个会。I've got to rush. Got a meeting in a few minutes.不赶紧行动就没机会了。If you don't do it soon you're going to lose the opport...
I had always wanted to photograph the spray of bombardier beetles.我早就想拍下喷雾甲虫在喷射时的照片.But the Bombardier plane could eat into the lower - end of their market.但庞巴迪生产的飞机可打入其 低端 市场.The position reports directly to the Head of...
The house seemed muted, hushed as if it had been deserted.房子里似乎悄然无声，安静得好像已经没人在住一样。She could hear his ragged breathing, as if he had been running.她能听到他不均匀的呼吸声，似乎他是跑着过来的。He did not sound as if he believed her.他听起来似乎并不相信她。...