The canoe is made from an impermeable wood.独木舟由防水木头制成。The external layer of the skin is relatively impermeable to water.皮肤的外层不透水.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水....
能在肠胃里迅速发酵的食物是绝佳的天然通便剂。Foods that ferment quickly in the stomach are excellent natural laxatives.发酵的葡萄酒已经冒泡，溢了出来。The fermenting wine has bubbled up and over the top.她正处在仿佛面团刚要发酵的年龄.She is in that stage like dough beginnin...
粒子半径的单位是微米, 微米这个单位尤其普通和有用.The particle radius unit, the micron, is especially common and useful.我们发现苯甲酐的这些谱带在1789厘米 - 1(5.59微米)和1727厘米 - 1(5.79微米).We have found these bands in benzoylbenzoate to occur at 1789 cm - 1 and ...