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COMBINATION

/kɑmbənˈeɪʃən/B1

（保险箱的）密码 / 组合 (n.)

指锁的数字组合或密码，句中`combination is known only to me`指只有局长知道保险箱密码。常见搭配：`safe combination`。

RIGHT NOW, I AM TAKING MY MEDAL OFF THE WALL

AND PLACING IT IN A LOCKED SAFE WHOSE COMBINATION IS KNOWN ONLY TO ME.

THE SAFE, IN TURN, IS LOCKED IN THE CABINET.