记忆方法
将“keyed”与“key”（钥匙）和“ed”（表示过去分词或形容词）相结合，想象一把“钥匙”（key）启用了某个开关，导致某个设备或系统“开启”（keyed）。这个联想帮助你记住“keyed”意味着“上锁的”或“处于开启状态的”。
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权威例句
- 1. 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。
- 2. Brian keyed in his personal code.
- 布赖恩键入了他的个人密码。
- 3. She keyed her mood to that of the other guests.
- 她控制情绪使之与其他客人一致.
- 4. The concert was a failure because the instruments were wrongly keyed.
- 那场音乐会失败了,因为乐器定错调了.
- 5. The farm was keyed to the needs of the local people.
- 农场按当地人的需要作了调整.