Kneepad
n. 护膝
✅ 同义词
🗣️ 情景例句
He's such a workaholic that he doesn't know how to spend his leisure time.
他是个工作狂，以至于不懂得如何打发他的空闲时间。
Which one is heavier?
哪一个是较重的？
Yes, I am.
是的。