| 单词 | ultrashort |
| 释义 | ultra·shortBrE /ˌʌltrəˈʃɔːt/ NAmE /ˌʌltrəˈʃɔːrt/ adjective (of radio waves 无线电波) having a very short wavelength (shorter than 10 metres), with a frequency greater than 30 megahertz超短的 ➡ compare long wave, medium wave, short wave |
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