Umn
abbr. upper motor neuron 上运动神经元
🗣️ 情景例句
Do you think it's too long?
你会不会觉得太长了？
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。
for five of her sixteen watertight compartments had already been flooded!
16个密封舱已有5个进水。