Ssd
abbr. （拉）基督教《圣经》博士（Sacrae Scripturae Doctor）；稳态分布（steady-state distribution）
🗣️ 情景例句
Karaoke isn't really a performing art.
卡拉 OK 不算是真正的表演艺术。
He who knows most speaks least.
懂得多的说得少。
Every night, the man upstairs came back late.
每天晚上，楼上人回来很晚。