| 单词 | 原因不明 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔CAUSE〕The number of workplace accidents is increasing, but it is not clear who or what is responsible. 工伤事故的数量在增加，但责任人或原因不明。朗文写作活用〔Hodgkin's disease〕A malignant, progressive, sometimes fatal disease of unknown etiology, marked by enlargement of the lymph nodes, spleen, and liver.霍奇金氏病，淋巴肉芽肿病：一种病发原因不明的恶性、易严重恶化且有时致命的疾病，特征为淋巴结、肝或脾肿大美国传统〔SOLVE〕There had been three unexplained fires at the school in the previous six months. 在过去六个月里，学校发生了三次原因不明的火灾。朗文写作活用〔UNCERTAIN〕It isn't clear how the fire started. 起火原因不明。朗文写作活用〔UNCERTAIN〕The cause of the accident is uncertain. 事故原因不明。朗文写作活用〔WEIGH〕Sudden or unexplained weight loss may be an early indication of health problems. 突然的或原因不明的体重减轻可能表示健康出现问题。朗文写作活用〔cause〕The cause of the accident is not known.事故原因不明。朗文当代〔cause〕The exact cause of the accident/fire is not known.事故/火灾发生的确切原因不明。韦氏高阶〔immediate〕The immediate cause of death is unknown.造成死亡的直接原因不明。牛津高阶〔immediate〕The immediate cause of the accident is unknown.该事故的直接原因不明。文馨英汉〔reason〕He was attacked for no apparent reason.他被袭击的原因不明。牛津搭配The paper reported the inexplicable disappearance of two mothers.报纸报道了两个母亲原因不明的失踪。剑桥国际 |
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