单词	ultrasound
释义	ultrasound [ˌʌltrəˈsaund]超声：一种机械放射能(见sound)，其频率大于每秒20000周；见ultraso-nics
随便看	ethynodiol diacetate ethynyl etidocaine hydrochloride etidronate disodium etidronic acid etiocholanolone etiogenic etiolation etiologic, etiological etiology etiopathology etioporphyrin etiotropic etodolic acid etofenamate etoformin hydrochloride etomidate etoposide etozolin eu- Eu euadrenocorticism euangiotic Euascomycetidae Eubacteriales

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