Microloop
微型接种环
🗣️ 情景例句
And this is my wife Marilyn.
这是我太太Marilyn。
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
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。