Rottisite
镍叶绿泥石
🗣️ 情景例句
He just can't keep a steady job.
他就是不能安心地在一个地方工作。
Her job is beginning to get her down.
她开始对工作感到厌倦了。
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。