Sphincter
n. 括约肌\\n[医] 括约肌
📖 牛津释义
sphincter
n
(fml 文) ring of muscle that surrounds an opening in the body and can contract to close it 括约肌
the anal sphincter 肛门括约肌.
🗣️ 情景例句
and having lunch with you today.
与你一起吃中餐。
It is better to be safe than sorry.
事后追悔不如事前稳妥。
One man stayed at the wheel while two others with black stocking over their faces jumped out and smashed the window of the shop with iron bars.
一人留在驾驶座上，另外两个用黑色长筒丝袜蒙面的人跳下车来。他们用铁棒把商店橱窗的玻璃砸碎。