subsonic
subsonic — 形容詞
- subsonicpositive
- more subsoniccomparative
- most subsonicsuperlative
1. traveling at a speed below the speed at which sound moves through the air — roug
次音速的
速度低於音速的
traveling at a speed below the speed at which sound moves through the air — roughly 1,235 km/h or 767 mph at sea level; designed or used for such speeds.
The Boeing 777 flies at subsonic speeds, making it quieter inside than a supersonic jet.
波音 777 以次音速飛行，機艙內比超音速噴射機安靜。
collocation: subsonic speeds
Engineers at Aylin's company are testing a new subsonic drone for package delivery.
Aylin 公司的工程師正在測試一款用於快遞配送的新型次音速無人機。
subsonic + noun describing aircraft
Unlike older fighter jets, this model can switch between subsonic and supersonic flight modes.
與舊款戰鬥機不同，這款飛機可以在次音速和超音速飛行模式之間切換。
contrast with supersonic
The researchers studied how subsonic air flows around the wings of a small propeller plane.
研究人員觀察次音速空氣流過小型螺旋槳飛機機翼的方式。
subsonic + air / airflow
Yasmin chose a subsonic hunting rifle because it produces less noise than a faster alternative.
Yasmin 選擇了一把次音速獵槍，因為它比速度更快的款式產生的噪音更低。
- subsonic speed
- subsonic flight
- subsonic aircraft
- subsonic jet
- subsonic air
- subsonic airflow
- subsonic missile
- subsonic bullet
- supersonic
traveling at a speed faster than the speed of sound
- hypersonic
traveling at speeds five or more times the speed of sound
文法句型
subsonic + noun
用法筆記
Commonly describes aircraft, flight, airflow, and projectiles. Contrasts directly with supersonic (faster than sound) and hypersonic (many times faster than sound).
常見錯誤
同根字
- subsonically副詞C1