Bitumenizing
涂沥青
🗣️ 情景例句
She's moving up the ranks one step at a time.
他一步一步的向上爬。
He that would the daughter win, must with the mother first begin.
欲得女儿欢，先遂其母意。
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。