Schalstein
辉绿凝灰岩
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
Alice, standing tearfully on the platform.
艾丽丝两眼汪汪地站在站台上。
It marked the end of the great tradition of ships with sails and the beginning of a new era.
它标志着帆船伟大传统的结束与一个新纪元的开始。