Ofa
光纤放大器（optical fiber amplifier）
🗣️ 情景例句
You estimate his worth too highly.
你高估了他的价值。
It hurts like hell!
疼死啦！
New Zealand, with its natural beauty, mountains, rivers and National Parks, attracts tourists from all over the world.
新西兰以其自然风光、群山、河流以及国家公园，吸引着世界各地的游人。