Optical telegraph system
[计] 光电报系统
🧩 词语组成解析
telegraph
['tɛlɪɡræf]
n. 电报;电讯;电报机;信号机;
vt.& vi. 打电报;流露出;电汇;用电报通知;
vt. 用电报发送;打电报向（某人）发指令;电汇;电购;
tele远+graph写，图→从远方写来→电报
🗣️ 情景例句
He is interested in collecting foreign stamps.
他对收集外国邮票有兴趣。
I can assuer you of our close cooperation.
我保证通力合作。
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。