A gust of air shot out of a portal, and Air Elements formed from the cloud.

一股气流从舱门喷出，云朵中显现出气族人的身影。

Between 1952 and 1962, however, when bomb tests above ground were commonplace, the amount of 14C in the air shot up until it was nearly double the normal level.

但是，在1952至1962年间，地面上的核爆试验十分普遍，因此空气中的碳-14数量骤升，达到了近正常值的两倍。