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
Why were you out of work for so long?
你为何这么久没有工作？
Take honour from me and my life is undone.
夺我名声，我命即亡。
I think I've caught a cold.
我想我得了感冒。