| 释义 |
hy·per·sonic
\| ̷ ̷ ̷ ̷+\ adjective
Etymology: International Scientific Vocabulary hyper- + sonic
1. : of, relating to, or being speed five times or more that of sound in air — compare sonic
2. : moving, capable of moving, or utilizing air currents that move at hypersonic speed
< hypersonic wind tunnel > |