ultrasonic
[ˌʌltrəˈsɒnɪk]
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adj.超声的;n.超声波 |
参考例句:
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- 1. It was very necessary for people to take type-B ultrasonic inspection regularly. 定期进行B超检查是十分必要的。
- 2. Sounds are classified into two kinds: sonic and ultrasonic. 声波分为两类,即普通声波与超声波。
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