Wcas
abbr. Western Cascades (mountains) 西部卡斯凯德斯（山）
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
The child embarrassed me by asking unexpected questions.
那小孩问了些出乎意料的问题使我困窘。
Yes. If we go on polluting the world, it won't be fit for us to live in.
是的。如果我们继续污染世界，地球就不适合我们居住了。