Aerogun
航(空機關)炮, 航空機(關)槍
??? 情景例句
I think aerobics is easy.
我覺得有氧運動很容易。
What I dream of doing is taking a year off and sailing around the world alone.
我夢想能夠休上一年假，自己乘船周游世界。
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
這個深邃的洞穴是由一條地下暗泉沖刷巖石中的縫隙并使之慢慢變大而形成的。