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
Can I buy travelers checks here?
这儿能买旅行支票吗？
He knows best what good is that has endured evil.
忍过痛受过苦，最知幸福是何物。
There were coins everywhere.We looked for them, but we could not find them all.
到处都是硬币。我们虽然找了，但没有把它们全部找到。