photophone
n. 光线电话机, 光音机 [医] 光音器
词形变化
photophones
复数
photophones
释义与例句
n.
-
1.
A device that transmitted sound on a beam of light.
历史 -
2.
A stills-only cameraphone. Used to distinguish from video-capable camera cellphones and camera-less cellphones.
过时 -
3.
A combination highly-capable digital camera and smartphone
词源
From photo- + -phone.
来源:wiktionary