Nfm
abbr. narrow band frequency modulation 短波调频，窄带调频; next full moon 下一次满月
🗣️ 情景例句
I saved it for my wedding day.
我留着等我的结婚日才用。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，