Saccus omphaloentericus
[医] 卵黄囊
🧩 词语组成解析
囊
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
People go to visit their parents, relatives and friends.
人们出门探望父母、亲威和朋友。
Yes, you need to get some underwater plants.
是的，你还需要弄一些水下植物。