Operational key
[计] 操作键
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
Richard, how much broccoli do I need for seven people? Richard
七个人吃需要多少花椰菜
It's about seventy degrees Fahrenheit this afternoon.
今天下午的温度大约70华氏度。
We both tried to get the coins, but it was too late.
我们俩都试图把这两枚硬币拿出来，但太迟了。