Medullary segment
[医] 髓鞘节
🧩 词语组成解析
a. 骨髓的, 髓质的, 延髓的\\n[医] 髓的, 髓状的
🗣️ 情景例句
The times have been very bad.
时机一直很坏。
Who is this ,please?
请问你是哪一位？
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。