您要查找的是不是：
- Data whose meaning is concealed from unauthorized users. 对于非授权用户其意义是隐蔽的数据。
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- The mixture will resolve into three simple substances. 这种混合物可分解成三种单纯状之。
- Chemicals in the body break our food down into useful substances. 人体中的化学元素把食物分解成有用的物质。
- Louis made unauthorized use of my name. 路易斯擅自利用我的名义。
- The unauthorized use or reproduction of copyrighted or patented material. 剽窃行为，侵犯专利行为未经授权却使用或复制受专利权保护的物品
- No unauthorized entry after dark! 天黑以后未经允许不准入内！
- To this class of substances belong glass and wood. 属于这类物质的有玻璃、木材等。
- No access for unauthorized personnel. 未经允许不得入内。
- The pancreas can produce substances which help in the digestion of food. 胰脏能产生助消化的物质。
- An allergy is an adverse reaction of the body to certain substances. 过敏是身体对某些物质的不良反应。
- Alcohol is a solvent of resinous substances. 酒精是树脂性物质的溶媒。
- Unauthorized reproduction will be prosecuted. 仿冒必究
- No entry for unauthorized vehicles! 未经批准车辆不得入内
- A workers'strike unauthorized by their union. 未经工会允许的工人罢工
- Unauthorized link is not allowed. 禁止盗连他人的空间。
- No unauthorized access prohibited. 未经许可，禁止入内。
- No unauthorized changes be made. 不得擅自修改。
- The train made an unauthorized stop. 火车擅自停车。
