Formatio grisea
[医] 灰网状结构(脊髓)
🧩 词语组成解析
[医] 结构
🗣️ 情景例句
It's a beautiful day, isn't it?
今天天气真美，是吧？
Take it easy.
别紧张。
How about having lunch with me?
一起吃顿中饭怎样？