hypersonic
/ˌhaɪ.pəˈsɒn.ɪk/ (bre, ipa) · /ˌhaɪ.pɚˈsɑː.nɪk/ (ame, ipa) · /ˌhī-pər-ˈsä-nik/ (ame, mw)
hypersonic — 形容詞
- hypersonicpositive
- more hypersoniccomparative
- most hypersonicsuperlative
1. able to move, or built to move, at speeds reaching Mach 5 or higher — that is, a
極音速的
達音速五倍以上的飛行速度
able to move, or built to move, at speeds reaching Mach 5 or higher — that is, at least five times as fast as sound itself.
Amihan watched a news clip about a new hypersonic missile being tested in the desert.
Amihan 看了一段新聞，內容是一款新型極音速飛彈在沙漠中試射。
collocation: hypersonic missile
Engineers at the lab spent ten years designing a hypersonic aircraft that could cross the Pacific in an hour.
實驗室的工程師花了十年設計一架極音速飛機，能在一小時內飛越太平洋。
attributive: hypersonic aircraft
The research team studied how heat builds up on a plane's surface at hypersonic speeds.
研究團隊探討飛機表面在極音速下如何累積熱量。
Walid argued that hypersonic travel would change how people think about distance and time.
Walid 認為極音速旅行將改變人們對距離與時間的看法。
A small camera on the test rocket recorded the flow of hot air during hypersonic flight.
試驗火箭上的小型攝影機記錄了極音速飛行中熱氣的流動情形。
- supersonic
faster than sound but slower than hypersonic — Mach 1 to Mach 5
- ultrasonic
refers to sound waves above human hearing, not to vehicle speed — different domain
- subsonic
slower than the speed of sound
文法句型
hypersonic + noun
用法筆記
Almost always attributive (before a noun): hypersonic missile, hypersonic jet, hypersonic speed. Rarely used after 'be'.