您要查找的是不是：
- stepped diameter auger 梯级异径螺旋
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- He stepped up so as to be able to speak. 为看得更清楚，他上到高处。
- My boss was too old to work well. He stepped down. 我的老板年龄太大，做不好工作了，他上星期离了职。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- The man stepped in and asked for my father. 那个人走进来求见我父亲。
- She stepped aside to let them pass. 她站到一边让他们走过去。
- The ice cracked as I stepped onto it. 我一踩冰就裂了。
- He bounced into the room with a springy step. 他以轻快的跑步跳进房间。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- Measure the diameter of this circle. 量一下这圆的直径。
- He stepped on to the sidewalk from the bus. 他从公共汽车走下到人行道上。
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- They stepped out of the sun into the coolness. 他们到阴凉处躲避烈日。
- They stepped over his prone body. 他们从他俯卧的身体上踩过去。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- He stepped aside to let me pass. 他站到一边让我过去。
- I hope my ideas are in step with public opinion. 我希望我的想法跟公众舆论是一致的。
- She stepped on a loose stone and twisted her ankle. 她踩到一块松动的石头上，扭伤了脚踝。
- She summoned up her courage and stepped in. 她鼓起勇气走了进去。
