Ofas
(ofa 的复数) 光纤放大器（optical fiber amplifier）
🗣️ 情景例句
It is said that another suicide bombing occurred in the country yesterday.
据称，昨天在这个国家又发生了一起自杀式炸弹事件。
Please try to be congenial and welcome the guests with a small.
请用笑脸愉快地迎接客人吧。
drawing the particle first towards the advancing wave,
先把微粒拉向前移的海浪，