Rectangulometer
直角测试仪
🗣️ 情景例句
Me, too. Milk, please.
我也一样。请递给我牛奶。
I don't think so.
我想不是。
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。