ultrasonic
adjective /ˌʌltrəˈsɒnɪk/
/ˌʌltrəˈsɑːnɪk/
[usually before noun]- (of sounds) higher than humans can hear
- ultrasonic waves
Oxford Collocations DictionaryUltrasonic is used with these nouns:- wave
| 单词 | ultrasonic |
| 释义 | ultrasonicadjective /ˌʌltrəˈsɒnɪk/ /ˌʌltrəˈsɑːnɪk/ [usually before noun]
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