Ncds
[医][=National Cooperative Dialysis Study]全国透析研究协作组织
🗣️ 情景例句
Scientists have confirmed that the Earth is, indeed, round.
科学家证实，地球确实是圆的。
It's time to begin.
到开始的时候了。
How do you keep in shape?
你怎么保持身材？