Subsonic
a. 比音速稍慢的, 次音速的\\n[医] 听域下的
✅ 同义词
🔴 反义词
📖 牛津释义
subsonic
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.
🗣️ 情景例句
He's not faithful to his wife.
他对他的妻子不忠。
You must not pledge your own health.
切不可把健康作孤注一掷。
Good afternoon!
下午好！