sphincter怎么读/sphincter的发音
sphincter的音标：英[ˈsfɪŋktə(r)] 美[ˈsfɪŋktər]
英： 美：
sphincter是什么意思
n. 括约肌
[医] 括约肌
n. a ring of muscle that contracts to close an opening
sphincter的用法和双语例句
1. The internal urethral sphincter automatically and involuntarily opens, and the urine is released.
尿道内括约肌自然而然的张开，尿就排出来了。
2. There are over 50 different sphincters in the human body.
人体内共有超过50种不同的括约肌。
3. When you want to delay urinating, you keep the sphincter closed.
当你想憋尿时，括约肌就会关上。
4. You may also stretch your external sphincter muscles.
你也有可能会撑大你的外括约肌。
5. It's one of many sphincters on your body.
它是你身体上的括约肌之一。
6. There are two little sphincters that control when to release your urine from the bladder.
有两个小括约肌控制何时从膀胱中释放尿液。
7. Here the male urethral sphincter contracts to make sure urine doesn't mix with semen.
在这里，男性尿道括约肌收缩以确保尿液不会与精液混合。
8. The lower esophageal sphincter has a resting pressure of 10 to 45 millimeters of mercury.
食管下括约肌的静息压力为10至45毫米汞柱。
9. These parasympathetic neurons make the rectum contract and the internal anal sphincter relax.
这些副交感神经元可以使直肠收缩，并使肛门内括约肌松弛。
10. Additionally, the lower esophageal sphincter is tightly closed between meals to prevent acid reflux.
另外，食管下括约肌在不进食时会保持强力收缩状态，来防止胃酸返流。