Olfaction
n. 嗅觉\\n[医] 嗅觉, 嗅
🗣️ 情景例句
that will bring parents and teachers together once a week
让家长们及教师每星期一次
That's not the point.
这不是重点。
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。