Medullas
n. 髓, 髓鞘, 髓質(zhì)
??? 情景例句
Studying is a big boring, but it sure beats the unemployment queues.
學(xué)習(xí)是有點(diǎn)枯燥，但比起失業(yè)來(lái)好多了。
Losers are always in the wrong.
失敗者總是錯(cuò)的。
Only very thrifty children manage to fill up a money box.
但是能把儲(chǔ)蓄罐裝滿的只有屈指可數(shù)的幾個(gè)特別節(jié)儉的孩子。