1. These are placed inside the smaller of two concentric drums along with the dirty laundry, a squirt of detergent and a little water. 他们被放置在两个同轴的洗衣缸的狭小内部，洗衣缸中还有待洗的衣物，一注射器量的洗涤剂，很少量水。
2. Users will always be connected, he says, but in concentric circles of conversations and interactions that range from people right next to them to those far away. “使用者们相互将一直被连接着”，他说，“从对话者为中心的同心圆相互作用而一个接一个的辐射到很远的地方。”
3. In this model, each electron energy level is denoted by numbers that take concentric shells as suggested by the Bohr model because there are overlaps in the ordering of the energy levels. 在这个模型里，单个电子能量水平通过获得的同圆心外壳的数量来表示，如波尔模型提出的那样，因为在能量水平面排列存在重叠。
