polycyclic 的定义
Chemistry.
- pertaining to an organic compound containing several atomic rings, usually fused.
更多polycyclic例句
- Of particular concern was a smaller class of particle pollution known as PAHs, or polycyclic aromatic hydrocarbons.
- That must be that polycyclic screen that Conway reported on.
- "That must be that sixth-phase polycyclic screen that Conway reported on," Cleveland frowned in thought.
- Pierced Roger's polycyclic screen; exposed the bare metal of Roger's walls!