| 释义 |
ultrasonic/ˌʌltrəˈsɒnɪk ||; ˌʌltrəˈsɑnɪk/adj (usually before a noun 通常用于名词前) (used about sounds) higher than human beings can hear （指声音）超声的，超音波的（高于人听觉范围）: ◇ultrasonic frequencies/waves/signals 超声频率╱波╱信号 ul·tra·son·ic /ˏʌltrə`sɑnɪk; ˌʌltrəˈsɒnɪk◄/adjtechnical ultrasonic sounds are too high for humans to hear 【术语】 超声（波）的 |