来自PIE*al, 其它，那边，词源同alias, else, -tra, 比较级后缀，词源同entry, alternate, interior.

1. Ozone is produced by the reaction between oxygen and ultra-violet light.

臭氧由氧气和紫外线发生反应而产生。

2. This boot offers ultra . It features a molded rubber lugged outsole for traction and slip resistance.

ULTRA作为澳洲UGG最顶真个羊皮靴系列产品之一,外部最为突出的特性即是其格外组织的橡胶外底具有优良的抓地性能和防滑性能.

3. Her father is an ultra - conservative who is still opposed to freedom to choose her spouse.

她爸是个老古董,现在还反对她自由恋爱.

4. The Pioneer probes have on board ultra-violet instruments which are measuring light that we can't measure on the earth.

“先驱者号”太空探测器上装有紫外线仪器，能够对在地球上探测不到的光进行测量。

5. After 10 minutes the surplus material is washed away and any remaining deposit examined with ultra violet light.

10分钟后剩余的物质被冲洗掉，任何残留的沉淀物则会用紫外线进行检测。