Niggerhead
n. 低劣的橡胶
🗣️ 情景例句
When's the next class?
下一次上课什么时候？
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。