“阶梯”的近义词/同义词

“阶梯”的拼音为：jiē tī...

...

今天下午我们将在阶梯教室上课.We will have class in the theater this afternoon.皮尔逊教授在新的阶梯讲堂发表了启用演说.Professor Pearson gave the inaugural lecture in the new lecture theatre.不要让他站在门口的阶梯上, 请他进来.Don't leave him standing on the doorstep...