Funis argenteus
[医] 脊髓
🧩 词语组成解析
拟气管棍
🗣️ 情景例句
But I think he was nervous tonight.
但我想他今晚有点紧张。
It's not four o'clock.
还没到四点呢。
What are you doing?
你在干什么呢？