Semiring
[医]半环状（的）
🗣️ 情景例句
I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握，先生。我们会尽早的，但我不敢许诺3：30以前行。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
There is no social problem it is more incumbent upon us to understand than this of the role of custom.
而没有任何一个社会问题比得上风俗的作用问题更要求我们对它理解。