Umbilical circuiation
[醫] 尿囊循環
?? 詞語組成解析
a. 臍帶的, 臍的, 近臍的, 關系密切的\\n[醫] 臍的
[醫] 循環
??? 情景例句
Will you be stopping anywhere else before going to the train station.
去火車站之前是否還到別的地方？
Pupil. He is studying.
學生。正在學習。
Before? After? said the doctor.
“飯前？飯后？”醫生說。