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
He's got 20/20 vision.
他的视力很正常。
Channel 5 is off the air now.
五频道已经停止播放。
I love travelling in the country, but I don't like losing my way.
我喜欢在乡间旅行，但却不愿意迷路。