| 单词 | very high frequency |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔SHORT〕VHF is short for Very High Frequency. VHF是Very High Frequency〔甚高频〕的缩写。朗文写作活用These very high frequency sounds are inaudible to the human ear.这些频率非常高的声音人耳是听不见的。剑桥国际 |
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