Erlanfels
辉片岩
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）