supersonic /.sju:pә'sɒnik/ ★☆☆☆☆六级英语词汇考研英语词汇雅思英语词汇 📖 中文释义 a. 超声波的[医] 超声[波]的 🔵 同义词inaudibleultrasonicunhearable 🔴 反义词transonicsonicsubsonic 📘 English Definition(英文释义) a. (of speed) greater than the speed of sound in a given medium (especially air)s. having frequencies above those of audible sound ← supersolution S 字母词表 supersonic absorption →