Free variable
[计] 自由变量
🧩 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;
🗣️ 情景例句
We're strangers here; can you help us find ...?
我们在这里人生地不熟，您能告诉我们__在哪里吗？
My hobby is collecting coins.
我的嗜好是收集硬币。
In the centre of the hall, there were a number of tall structures which contained coloured lights.
展厅中央是装有彩色灯泡的许多高高的构件，