adj.（乐器）有键的，定好音调的，与…相宜的
Brian keyed in his personal code.
布赖恩键入了他的个人密码。
I wasn't able to sleep that night, I was so keyed up.
那一夜我无法入睡，我太激动了。
She keyed her mood to that of the other guests.
她控制情绪使之与其他客人一致.
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