您要查找的是不是：
- A waxy white protective substance covering the skin of a fetus. 胎儿皮脂覆盖在胎儿皮肤表面的一种蜡状白色保护性物质
- a waxy white protective substance covering the skin of a fetus 覆盖在胎儿皮肤表面的一种蜡状白色保护性物质
- coat or surface(sth)with a protective substance, sealant,etc 给（某物）加保护层或面,或涂上密封胶等
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- When seeds acquire the desiccation tolerance, their physiology, shape and structure change accordingly including composing of sugars, proteins lipids, antioxidant defence systems and other protective substances. 当种子获得脱水耐性时，生理、形态和结构会发生相应的变化，包括糖、蛋白质、脂类和抗氧化系统等保护性物质的合成，各种保护性物质不是单独作用的，而是协同调节种子的脱水耐性。
- Musk is a kind of strong-smelling substance. 麝香是一种有强烈气味的物质。
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- A mother naturally feels protective towards her children. 母亲对自己的孩子自然会悉心保护。
- This substance is soluble in alcohol. 这种物质能够溶解在酒精中。
- Her account was in substance correct. 她的账目基本上是对的。
- They netted the fruit trees to protect them from birds. 他们用网覆盖住果树以使其免遭鸟害。
- Ammonia is a chemical substance. 氨是种化学物质。
- The substance is irritable to sensitive skin. 这种物质对敏感的皮肤有刺激性。
- An inert substance used to dilute. 稀释剂一种惰性物质
- The question was never discussed in substance. 这问题实际上从来没有讨论过。
- Gelatin is a clear tasteless substance. 明胶是一种透明无味的物质。
- This substance is extracted from seaweed. 这种物质是从海藻中提取的。
- This substance must be treated with acid. 这材料得用酸来处理。
- How can we protect our computer files? 我们怎样才能保护我们的计算机数据？
