Keenness
n. 锐利, 尖锐, 敏感
✅ 同义词
📖 牛津释义
keenness
n [U].
🗣️ 情景例句
Richard showed me your photo.
Richard给我看了你的照片。
It is no good hen that cackles in your house and lays in another's.
这样的母鸡可不好：在你家里咯咯叫，却到别家去下蛋。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。