Concavo-concave
a. 两凹的, 两面凹洼的\\n[建] 两面凹的
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
As you know, my reaction to Peter was extremely favorable when I met him.
如你所知，刚遇到彼德时我是非常喜欢他的。
Today, I'd like to show you something which I'm sure you'll find interesting.
今天我要向你们展示一些东西，我相信你们会感兴趣的。
In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。