Free semigroup
[计] 自由半群
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
[计] 半群
🗣️ 情景例句
You are the right man for the job.
你正适合做这项工作。
Promises are like piecrust, made to be broken.
诺言好似馅饼皮，做来便是为咬碎。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。