Ofa
光纤放大器（optical fiber amplifier）
🗣️ 情景例句
Yes.
是的。
All the world's a stage, and all the men and women merely players.
整个世界是个舞台，男男女女，演员而已。
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。