Ssd
abbr. （拉）基督教《圣经》博士（Sacrae Scripturae Doctor）；稳态分布（steady-state distribution）
🗣️ 情景例句
It's a nap. Tomorrow morning at ten o'clock.
简单得很。明早十点。
It is probably only the flu (influenza).
可能只是流行性感冒吧。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。