Ofas
(ofa 的复数) 光纤放大器（optical fiber amplifier）
🗣️ 情景例句
There is nothing better than a hot dog in the country.
在美国没有比热狗更好的东西了。
He who makes himself a dove is eaten by the hawk.
弱肉强食。
In the middle of the classroom.
在教室中间。