Sfts
abbr. Standard Frequency and Time Signals 标准频率和时间信号
🗣️ 情景例句
the American Society for the Prevention of Cruelty to Animals.
美国禁止虐待动物协会。
Six feet of earth makes all men equal.
在墓穴中人人都平等。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。