Vasa umbilicalis
[医] 脐血管
🧩 词语组成解析
<瑞典语>=Vaasa , vas的复数
🗣️ 情景例句
Will you be so kind as to help me out of the difficulty?
帮助我克服困难，好吗？
How long?
多长？
I say, let's go out for a drive next Sunday.
我说，咱们下星期天开车出去兜兜风吧。