| 光铣法 photomilling |
| 光锉 dead smooth cut file |
| 光锥 light cone |
| 光锥代数 light cone algebra |
| 光锥展开 light-cone expansion |
| 光闪 color break-up |
| 光间歇 light break |
| 光闸 light-valve |
| 光阀 light valve |
| 光阀管 light-valve tube |
| 光阑 flare stop |
| 光阱 light trap |
| 光防护 photoprotection |
| 光阴 time |
| 光阴一去不复返 All time is no time when it ... |
| 光阴似箭 the flight of time |
| 光阴似箭光阴虚度 loaf away one's time |
| 光阴冉冉 Time passes away slowly. |
| 光阴如水 Time passes like flowing wat... |
| 光阴荏苒 Time passes very quickly. |
| 光阴驹隙 Time flies like the shadow o... |
| 光集成电路 optic integrated circuit |
| 光雷达 optical radar |
| 光靠等待是什么也得不到的 There is nothing to be gaine... |
| 光面 glaze |