| 单词 | 症状出现 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔SIGN〕Therapy should begin when the first signs are noticed. 一发现有症状出现就应该开始治疗。朗文写作活用〔appearance〕The disease is contagious only before the appearance of its initial symptoms.这种病只在初始症状出现前会传染。麦克米伦高阶〔develop〕These symptoms developed after a few days.几天之后这些症状出现了。外研社新世纪〔form〕This disease often takes the form of high fever.这种疾病常以高烧症状出现。英汉大词典〔preclinical〕Of or relating to the period of a disease before the appearance of symptoms.临床前的：疾病症状出现前的时期的或与之相关的美国传统Cervical smears help to show abnormalities which might lead to cancer before any obvious symptoms have appeared.子宫颈的巴氏试验有助于在任何明显症状出现之前显示可能导致癌症的异常现象。剑桥国际 |
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