Keystone correction
[电] 梯形校正
🧩 词语组成解析
keystone
[['ki:stəun]]
n. 拱顶石, 楔石, 重点
🗣️ 情景例句
It was wet yesterday.
昨天下雨。
I hope you change his decision.
我希望你改变他的决定。
I told you to drive slowly, Gary.
加里，我刚才叫你开慢点吧。