Sffd
abbr. step-function frequency discriminator 阶跃函数鉴频器
🗣️ 情景例句
God is equal to everyone!
上帝是公平的。
In may ways, yours is a better plan.
你的计划在许多方面比其他人的好。
The timing is very important, not only for the movements but also for the lines of the dialogue.
剧中动作以及对 话中台词的时间安排非常重要。