ultrasonics
/ˌʌltrəˈsɒnɪks/plural noun
treated as sing.
1- the science and application of ultrasonic waves超声学。
1.1
- treated as sing. or pl. ultrasonic waves; ultrasound超声波; 超声。
| 单词 | ultrasonics |
| 释义 | ultrasonics/ˌʌltrəˈsɒnɪks/plural noun treated as sing. 1
1.1
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