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
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
That's awful.
那太可怕了。
In 1898 a law was passed which meant that all people above a certain age were paid a weekly old-age pension.
1898年通过了一项法令，规定一定年龄以上的人全都可以按周领取"老年养老金。