Keenness
n. 锐利, 尖锐, 敏感
✅ 同义词
📖 牛津释义
keenness
n [U].
🗣️ 情景例句
Ms Li, welcome on board.
李小姐，欢迎加入我们！
I wasn't born yesterday.
我又不是三岁小孩。
Some of them are very cheap.
其中有些商品挺便宜的。