Nonstaining
不污染的
🗣️ 情景例句
How do you rate it?
你给它的评价是什么？
Do you know the exact date?
你知道确切日期吗？
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。