Formatio grisea
[医] 灰网状结构(脊髓)
🧩 词语组成解析
[医] 结构
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
I'm going to the hospital tomorrow for tests.
我明天要去医院接受检查。
Kate, I'm sorry about that argument. I apologize for being so angry with you.
凯特，那次争吵我很抱歉。我为跟你发火向你道歉。