Medullocell
髓细胞
🗣️ 情景例句
If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用，那么每天千千万万的树木就可得以挽救。
To have a discussion with the committee
在委员会讨论
Get off my back.
少跟我罗嗦。