| 单词 | 究办 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔occupational health〕For many years, experts in occupational health have puzzled over symptoms reported by office workers, including headache, nausea and fatigue.多年以来，职业保健专家一直在苦苦研究办公室职员所反映的诸如头疼、恶心和疲劳等症状。柯林斯高阶 |
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