Keystone shaped
[电] 梯形
🧩 词语组成解析
keystone
[['ki:stəun]]
n. 拱顶石, 楔石, 重点
a. 成某种形状的, 制成一定形状的, 有某种形状的, 合适的, 计划好的, 有目标的\\n[医] 具形的, 形似的
🗣️ 情景例句
What's the meaning of NATO?
NATO代表什么？
Every bird likes its own nest.
人爱其家。
He has tasted the sweets and bitters of life.
他已尝遍了人生的甜酸苦辣。