Medullae
n. 髓, 髓鞘, 髓质\\n[医] 髓[质]
🗣️ 情景例句
You'll have to ask a whole lot nicer than that I'm afraid.
恐怕你应该要问得有礼貌一点吧。
I wasn't serious, I meant it as a joke.
我并非有意，我只是开个玩笑而已。
I'll be right there.
我马上就到。