基本解釋臍管英漢例句雙語例句There is a fear of cord prolapse, a complication where the umbilical cord precedes the child through the birth canal.臍帶脫垂是一種分娩時的并發(fā)癥，臍帶可能搶在胎兒出來前脫離產(chǎn)道。umbilical canal更多例句