Metaduodenum
[医] 后十二指肠(胚)
🗣️ 情景例句
When will she come back?
她什么时候会回来？
I'm studying upstairs.
我在楼上读书。
Oh, and please keep together. We don't want any of you to get lost!
噢，请大家靠拢一些。我们不想丢下任何一位同学！