Ulatisian
[地质]乌拉梯斯期
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
My brother took lessons on the trumpet for nearly ten years.
我的兄弟有将近10年的时间听小号的课了。
Goodbye, Mrs. Zhu.
再见，朱夫人。