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
I'd really like to pick up Grandpa at the railroad station.
我真想去火车站接爷爷。
It is a foolish sheep that makes the wolf his confessor.
蠢羊才向狼忏悔。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。