最终，水会渗透进周围的混凝土中。Eventually, the water will permeate through the surrounding concrete.血流得太多，渗透了我的平脚短裤。There was so much blood it had soaked through my boxer shorts.它能使尼古丁平稳缓慢地渗透到血液里。It allows nicotine to diffuse slowly an...
我不用疯狂地节食也能减轻几磅。I can lose a few pounds without resorting to daft diets.夜里他的痛苦是减轻了，但人也不那么清醒了。The pain had lessened in the night, but so had his lucidity.这些补助金用于减轻农民因难以预测的恶劣天气而遭受的损失。The subsidies are designed to cushion fa...
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...