- photophone
- 光: light; ray
- 通话: communicate by telephone; ca ...
- 激光通话线路: laser voice link; laservoicelink
- 光通: mitsumichi
- 通话: 1.(通电话) communicate by telephone; call; message2.(用彼此听得懂的话交谈) converse; talk with sb.; hold conversation◇通话计时器 peg count meter; telephonometer; calculagraph
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