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
Is it true that it's full of wonders there?
那里充满了奇异的景观，是真的吗？
Let's make up.
让我们言归于好吧。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，