Ofa
光纤放大器（optical fiber amplifier）
🗣️ 情景例句
You're joking. Pete Waters?
你在开玩笑吧。Pete Waters？
I broke my leg.
我摔断了腿骨。
At this time of the morning, the arcade was almost empty.
在早晨的这个时候，拱廊街上几乎空无一人。