形容词
中文翻译：亚音速的
同义词：
['subsonic', "subsonic speed例句：1. The aircraft was flying at a subsonic speed of 500 miles per hour.（飞机以每小时500英里的速度飞行，处于亚音速。）2. The sound of the engine is so loud that it's hard to hear what's happening on the other side of the river.（发动机的声音太响了，很难听到河对岸发生的事情。）"]
例句：
-
1. The aircraft was flying at a subsonic speed of 500 miles per hour.
飞机以每小时500英里的速度飞行，处于亚音速。
-
2. The sound of the engine is so loud that it's hard to hear what's happening on the other side of the river.
发动机的声音太响了，很难听到河对岸发生的事情。
-
3. The team won the championship with a subsonic pace that kept them ahead of their competitors.
团队以超音速以下的速度赢得了冠军，这让他们领先于竞争对手。