Sublithwacke
亚岩屑瓦克岩
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
Every salesman boasts of his own wares.
老王卖瓜，自卖自夸。
But there was something wrong with the child.
但是，这孩子有点毛病。