Prerun
预试
🗣️ 情景例句
No, I don't have any hobbies. How about you?
没有，我没有任何的爱好，你呢？
We're in the same boat.
我们处境相同。
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。