Ofa
光纤放大器（optical fiber amplifier）
🗣️ 情景例句
The council will not permit you to build here.
委员会不会允许你们在这一带搞建筑。
Never cackle till your egg is laid.
事竟成，才声张。
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。