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
How much do you want for this?
这件东西你想卖多少钱？
I ought to do it again.
我应该再做一次。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。