Niggerhead
n. 低劣的橡胶
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
If you insist.
你硬是要这么做，我也没办法。
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。