- A revolving, often treadle-operated horizontal disk on which clay is shaped manually.陶轮，拉坯轮：通常是踩动脚踏板时能旋转的水平盘，粘土在其上通过手工成形
- ultra-
- ultrabasic
- ultracentrifuge
- ultraconservative
- ultradian
- ultrafiche
- ultrafiltration
- ultrahigh
- ultrahigh frequency
- ultraism
- ultraisms
- ultraliberal
- ultralight
- ultralow frequency
- ultramafic
- ultramarathon
- ultramarine
- ultramarine blue
- ultramicrofiche
- ultramicrometer
- ultramicroscope
- ultramicroscopic
- ultramicrotome
- ultramilitant
- ultraminiature