No. 2,367 in Japanese
キー
"Key" (e.g., a physical key, a computer key, or a significant point).
In a sentence
この問題の解決のキーは協力です。
The key to solving this problem is cooperation.
In this sentence, 'キー' refers to the essential factor or important element needed to solve the problem.
彼は自動車のキーを紛失してしまった。
He has lost the car key.
Here, 'キー' indicates a physical key used for locking and unlocking the car.
このピアノのキーは壊れています。
This piano key is broken.
In this case, 'キー' represents a piano key, part of the instrument used for producing notes.
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