记忆方法
将“deaf-and-dumb”这个复合词分解为两个简单易记的部分：“deaf”和“dumb”。然后，想象一个场景：一个人因为听不到而无法听到声音（deaf），所以无法开口说话（dumb）。这种视觉联想可以帮助记忆这个词的含义。
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权威例句
- 1. I hope that our appeals will not fall on deaf ears.
- 我希望我们的呼吁不会没人理睬。
- 2. He has turned a resolutely deaf ear to American demands for action.
- 他对美国提出的行动要求完全不理不睬。
- 3. I'm quite deaf — you'll have to speak up.
- 我耳背——你得大声说。
- 4. The provincial assembly were deaf to all pleas for financial help.
- 省议会对所有的经济救助请求都充耳不闻。
- 5. Many regular TV programs are captioned for the deaf.
- 许多常规的电视节目都为耳聋者配了字幕。