Formal variable
[计] 形式变量
🧩 词语组成解析
formal
['fɔ:məl]
adj. （学校教育或培训）正规的;方式上的;礼仪上的;
n. <美>须穿礼服的社交集会;<口>夜礼服;
🗣️ 情景例句
Did you see what Diane was eating? And she's on a diet.
你看戴安妮在吃什么吗？她在节食啊。
The dinner was superb. Who cooked it?
菜太棒了！谁做的？你吗？
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。