[ˌʌltrəˈsɔnik]
超声〔波〕的：有超过人耳能感受的上限频率(20000赫以上)的机械放射能的。见ultrasonics- phthiocol
- phthiriasis
- Phthirus
- phthisis
- phyco-
- phycobilin
- phycochrome
- phycochromoprotein
- phycocyanin
- phycoerythrin
- Phycomycetae
- Phycomycetes
- phycomycetosis
- phycomycetous
- phycomycosis
- p-hydroxyphenylpyruvate oxidase
- phygogalactic
- phyla
- phylacagogic
- phylactic
- phylaxis
- phyletic
- Phyllanthus
- phyllidea
- phyllo-