Persistent urachus
[医] 久存性脐尿管
🧩 词语组成解析
persistent
[pə'sistənt]
adj. 持续的;坚持不懈的;持久的;坚持不渝;
脐尿管
🗣️ 情景例句
I can't eat another bite.
我一口也吃不下去了！
Let's hear it.
说来听听。
He must, for example, perceive an egg as a simple single solid shape,
以鸟蛋为例，观赏者必须感觉到它是一个单一的实体形态，