Papillary ducts
[医] 乳头管
🧩 词语组成解析
a. 乳头的, 乳突的\\n[医] 乳头的, 乳头状的
n. 通风管道；管道（duct的复数）
🗣️ 情景例句
It was on Spring Avenue, near the park.
那房子是在Spring Avenue 公园附近。
I ought to not bother him any more.
我应该不要打扰他了。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。