英语语法分析

concaved

adj. 凹的，凹面的

n. 凹面

v. 使变凹形

第三人称单数 concaves

现在分词 concaving

过去式 concaved

过去分词 concaved

比较级 more concave

最高级 most concave

例句

I had been sitting in geometry class for two hours, waiting for the professor to conclude his lecture about concentric circles and concaved figures.

我已经上了两个小时的几何课，一直等着教授结束这个关于同心圆和凹面图的讲座。