Venae mediastinales anteriores
[醫] 縱膈前靜脈
?? 詞語組成解析
vena的復數
??? 情景例句
If you can't pay the bill, you're going to be in trouble.
你如果不能付賬，就要倒霉。
The tour will take about an hour and a half. We ought to be back here by 3:00.
參觀大概要一個半小時，3點鐘以前回到這里。
I think she's twelve.
我想她十二歲了。