Sfsu
abbr. signal frequency signaling unit 信号频率信令单元
🗣️ 情景例句
They kicked him out of the club for fighting.
他们因他打架而将他逐出俱乐部。
Hoist your sail when the wind is fair.
随机应变。
Shopping, too, is always a pleasure.
买东西也是一种乐趣。