点击下方单词,选择对的这个单词
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adj
1. not bound by shackles and chains
Synonym: unchainedunfetteredunshackled
2. with laces not tied
e.g. teenagers slopping around in unlaced sneakers
Synonym: unlaced
3. not tied
Synonym: unfastened
多通过句子记忆单词,而不是单独死记硬背。