Medullarenis
腎髓質
??? 情景例句
We split up last week.
他們上星期分手了。
A good horse often needs a good spur.
好馬常要好靴刺。
His few material possessions make it possible for him to move from place to place with ease.
他幾乎沒有什么財產，這使他能夠輕松自如地在各地奔波。