Nonmedullated
[医] 无髓[鞘]的
🗣️ 情景例句
We were most impressed with your efficiency.
你的工作效率很高，我们极为钦佩。
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
Some old people are oppressed by the fear of death.
有些老年人因为怕死而感到烦恼。