Cade
[机] 杜松, 桶
🗣️ 情景例句
What's your position in the company?
你在公司任何职务？
Do you have any brothers?
你有兄弟吗？
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。