Boston's test
[医] 波士顿氏试验(检白蛋白)
🧩 词语组成解析
🗣️ 情景例句
Do you have this in other colors or sizes?
你有别的颜色或号码的吗？
Why are you standing behind the door?
你为什么站在门后？
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。