单词	答话器
释义	同声音应答设备--答话器
随便看	photocell-- rectifier photocell relay photo cells photocell， barrage photocell， barrier-layer photocell， barrier-plane photocell， blocking layer photocell， front-effect photocell， rectifier photocenter photocentric orbit photoceptor photoceptor-- photoreceptor photoceptor; photoreceptor photoceramic photoceramics photocharting photochemic photo chemical photo-chemical photochemical photochemical absorption photochemical absorption law photochemical action photochemical activation