| 单词 | 无法查明 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔CHECK〕The case remains a mystery. The police were never able to ascertain the true facts. 那起案件还是个谜，警方始终无法查明事实真相。朗文写作活用〔stump〕The police were stumped about the motive behind the murder.警方给难住了,无法查明这次谋杀的动机。英汉大词典 |
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