ultrasonic
美音:
[´ʌltrə´sɔnık
]英音:
[´ʌltrə´sɔnık
]adj.超音速的,超声的 n.超声波
难易程度:
ultrasonic为短语/超纲词汇
词形变化:
副词:ultrasonically
词根
son=sound(声音)
ultrasonic
/,ʌltrə'sɒnɪk; ,ʌltrə`sɑnɪk/
adj (of sound waves) pitched above the upper limit of human hearing (指声波)超声(波)的.
ultrasonic
adj
ultrasonic sound waves are too high for humans to hear