Patent ductus arteriosus
动脉导管未闭
🧩 词语组成解析
patent
['pætnt]
n. 专利;专利品;专利权;专利证;
adj. 专利的;显然，显露;明摆着的;
vt. 获得…专利，给予…专利权;取得专利权;
[医] 管, 导管
adj. 动脉的
🗣️ 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
当我在你的信中看到你已决定终止大学学业时感到很是惊讶。
Constant dropping wears away a stone.
滴水穿石。
No, not any more. It used to be free but now you have to pay to get in.
不，不再免费了。过去是免费，可现在得付钱才能进去呢。