Spherolith
[医] 球状石(新生儿肾组织内)
🗣️ 情景例句
Please come in, Mr. Wilson.
请进，威尔逊先生。
How can you do such a thing?
你怎么能做这种事情呢？
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。