Sro
abbr. 单共振振荡器（Singly Resonant Oscillator）；自律性组织（Self-Regulatory Organizations）；法律条令（Statutory Rules and Orders）
🗣️ 情景例句
What about you?
你呢？
Be swift to hear, slow to speak.
多听少说。
The children are no longer young, and they know who Father Christmas really is.
孩子们不小了，他们知道真正的“圣诞老人”是谁。