Formatio grisea
[医] 灰网状结构(脊髓)
🧩 词语组成解析
[医] 结构
🗣️ 情景例句
My name is Lu Wei. I am beside Beijing Hotel on Changan Street.
我叫陆伟，在长安街北京饭店旁边。
You may go in now.
您可以进去了。
It's often cold in December, January and February.It snows sometimes.
12月、1月和2月常常很冷，有时还下雪。