Kneecaps
n. 膝盖骨, 护膝( kneecap的名词复数 )
🗣️ 情景例句
There has been very little progress this term.
这学期没有什么进步。
Will you speak up, please?
请你大声一点好吗？
If you touch them you may break something or have an accident and hurt yourselves.
如果你用手摸它们，也许你会搞坏机器，或者会发生事故，打伤你自己。