Spd
abbr. 电涌保护器；补充石油税；统计过程诊断（Statistical Process Diagnosis）
🗣️ 情景例句
It's quite different from what I expected.
这与我预想的很不相同。
He who purposes to be an author, should first be a student.
想当作家，相当学生。
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。