Umn
abbr. upper motor neuron 上运动神经元
🗣️ 情景例句
Anything particular you want to know? Let me hear about it.
有什么特别问题你需要了解吗？说来让我听听。
Be quiet.
安静一点！
I have a question about this quotation you submitted.
你提出的报价我有问题。