🧩 词语组成解析
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
Nevada
[[ne'vɑ:də]]
n. 内华达
n. 山脉；山区；山岳（mountain的复数）
🗣️ 情景例句
Thanks.
谢谢。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。
She sang perfectly in the hall last night.
她昨晚在大厅唱得非常好。