Cheerlessness
n. cheerless的变形
✅ 同义词
🔴 反义词
📖 牛津释义
cheerlessness
n [U].
🗣️ 情景例句
You got it.
你算说对了。
Which one is more interesting?
哪一个是比较有趣的？
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。