Perthite
n. [地]条纹长石
🗣️ 情景例句
My mother knows all there is to know
我母亲完全懂得
John would like to touch some of the sculpture in the art gallery.
约翰想触摸几件美术馆的雕刻。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。