Sierras
n. 齿状山脊, 马鲛( sierra的复数形式 )
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
Thank you very much again for this wonderful party.
再次感谢你们的这次聚会。
Then she touched me lightly on my arm and made me burst into laughter.
然后她轻轻地触摸我的手臂，使我哈哈大笑。