Thelin
[医]雌（甾酚）酮
🗣️ 情景例句
I think exactly the same way.
我也是这样想的。
We need skilled electricians.
我们需要有技术的电工。
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。