subsonic
adj.[物] 比音速稍慢的,次音速的 n.亚音速飞机
难易程度:
subsonic为短语/超纲词汇
词根
son＝sound（声音）
subsonic
/,sʌb'sɒnɪk; ,sʌb`sɑnɪk/
adj (flying at a speed) less than the speed of sound 亚音速（飞行）的
*a subsonic speed, aircraft, flight 亚音速、亚音速飞机、亚音速飞行. Cf 参看 supersonic.
adj (flying at a speed) less than the speed of sound 亚音速（飞行）的
*a subsonic speed, aircraft, flight 亚音速、亚音速飞机、亚音速飞行. Cf 参看 supersonic.
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