Medullae
n. 髓, 髓鞘, 髓质\\n[医] 髓[质]
🗣️ 情景例句
I strongly agree.
我绝对同意。
Joy and sorrow are next-door neighbours.
是喜是忧难以分。
or, to be more accurate, we can think only a very little way outside,
我们只能稍微离开一点儿，