名词
中文翻译：Unknown
同义词：
['discard', 'cast off', 'discard例句：1. He wasted his time on useless hobbies.（他在无益的爱好上浪费了时间。）']
例句：
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1. He wasted his time on useless hobbies.
他在无益的爱好上浪费了时间。
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2. She cast off her old clothes and bought new ones.
她扔掉了她的旧衣服，买了新的。
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3. The old car was discarded after the new model came out.
新款汽车上市后，那辆旧车就被丢弃了。