Concn
abbr. concentration 集中; 集合; 专心; 浓缩
🗣️ 情景例句
It's a nap. Tomorrow morning at ten o'clock.
简单得很。明早十点。
It takes a bit of nerve to cross these chain bridges.
过这种铁锁桥需要有点胆量才行。
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。