Ofas
(ofa 的复数) 光纤放大器（optical fiber amplifier）
🗣️ 情景例句
just half a mile down the road from the Watermill.
从Watermill往下走只要半英哩。
How long will it take to have this radio fixed?
修理这收音机要多久？
Would you mind if I smoked in the office next door?
我在隔壁吸烟可以吗？