Millisite
[矿]水磷铝碱石
🗣️ 情景例句
I was when I first came to the United States.
当我刚到美国来的时候是感到有点紧张。
What did the doctor say?
医生怎么说？
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。