concave
01
凹的, 向内弯曲的
having a surface that is curved inward
语法信息
形态构成
简单词
性质形容词
最高级
most concave
比较级
more concave
可分级
例子
The concave mirror focused the light into a single point, making it perfect for starting a fire.
凹面镜将光线聚焦到一个点，使其成为生火的完美工具。
词汇树
biconcave
concavely
concaveness
concave
