Knottier
a. （指木材）多结节的( knotty的比较级 ); 多节瘤的; 困难的; 棘手的
🗣️ 情景例句
What made you decide to study Economics?
你为什么决定修读经济学？
Is there any earlier one?
还有更早一点的吗？
All these computer uses have become commonplace.
计算机的所有这些功能现在都变得很平常。