Tilley
[植]巴豆籽
🗣️ 情景例句
How do you keep in shape?
你怎么保持身材？
No. I was planning to stay home.
不，我打算呆在家里。
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。