Keystone effect
[电] 梯形效应
🧩 词语组成解析
keystone
[['ki:stəun]]
n. 拱顶石, 楔石, 重点
🗣️ 情景例句
I'll tell you the time and date of the next TOPS meeting.
我要告诉你 TOPS下次聚会的时间。
A shiver of fright ran through them as he dove from the cliff.
他从悬崖跃下时，恐怖的颤栗掠过了全身。
Thanks for you cooperation.
多谢合作。