Fanon
n. 披肩, 臂巾
🗣️ 情景例句
You're right.
你说得对。
I'm not really sure.
我不太清楚。
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。