1. The actuators have a self-contained oil sump so a separate oil supply is not required. 该驱动器有一个自我包含的油底壳，使一个单独的石油供应是不是必需的。
2. The Programme enables you to acquire tools in three self-contained modules, gives you ample time to absorb the material. 该方案使您能够获得三个自我工具包含的模块，为您提供了充裕的时间来吸收的物质。
3. A paragraph should be a self-contained unit, which means that you should finish off your idea or issue in one block of text before moving on to another. 一个段落应该是一个独立的单元，意思是，在继续下一个想法或者议题（争论点）之前，你应当在同一文字单元完成它们。
英英解释
adj.
1. constituting a complete and independent unit in and of itself
2. in full control of your faculties
