Crenothrix
[医] 铁细菌属
🗣️ 情景例句
You've done a wonderful job.
你做得真棒！
Would you call back tomorrow?
你能明天回个电话吗？
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。