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
No smile, no surprise.
不笑 ，就没有惊喜。
I still have some questions concerning our contract.
就合同方面我还有些问题要问。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。