Postcardinal veins
[医] 后主静脉(胚)
🧩 词语组成解析
[医] 后主静脉的
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
Harvey, how are you?
你好吗，Harvey？
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
Good morning, doctor.
医生，早上好。