Unaker
[美洲印第安语]通过淘洗除去砂及云母的粘土
🗣️ 情景例句
But I do need some publicity
但我需要一些宣传，
I'm very glad to meet you.
认识你很高兴。
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。