百度
谷歌
图片
维基
百科
speculum alloy
speculum-metal
specus
specvestment
sped
SPEDAC
Spedex
spedrin
speech
speech acoustics
speech act
speech aid appliance
speech amplifier
speech analysis
speech audiometry
speech auto-instruction device
speech band
speech bandwidth
speech bandwidth compression
speech center
speech chain
speech channel
speech chip
speech circuit
speech circuit group
speech clinic
speech clipper
speech clipping
speech coder
speech coding
speculum-metal
specus
specvestment
sped
SPEDAC
Spedex
spedrin
speech
speech acoustics
speech act
speech aid appliance
speech amplifier
speech analysis
speech audiometry
speech auto-instruction device
speech band
speech bandwidth
speech bandwidth compression
speech center
speech chain
speech channel
speech chip
speech circuit
speech circuit group
speech clinic
speech clipper
speech clipping
speech coder
speech coding
speculum alloy
镜面青铜, 镜用铜锡合金