Conca
康卡构造, 贝壳状塌陷（构造）； 火口区同心状凹陷
🗣️ 情景例句
I've always wanted a springer spaniel.
我一直想要一只激飞狗。
I think gray hair makes you look rather distinguished.
我觉得你灰白的头发使你看上去很严肃。
Take it easy.
别紧张。