Sandon
n. (Sandon)人名；(土)桑东；(英)桑登
🗣️ 情景例句
The train is just up the street.
地铁车就在街的那一头。
What's the size of your shoes?
你的鞋多大尺寸？
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。