Nocking
v. 作凹痕于( nock的现在分词 )
🗣️ 情景例句
Sounds fine, Robbie.
听起来不错 Robbie。
If I'm careful...
当心啊……
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。