英语词汇“be at pains”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	be at pains
释义	be at pains [bi: æt peinz] 费尽力气, 煞费苦心, 尽力设法
随便看	sodium orthotantalate sodium orthotellurate sodium orthothioantimonate sodium orthothioarsenate sodium orthotitanate sodium orthovanadate sodium orthozirconate sodium otiodohippurate sodium oxacilin Sodium,Oxacillin sodium oxacillin sodium oxalacetate sodium oxalate sodium oxalate solution sodium oxaloacetic ester sodium oxide Sodium,Oxybate sodium oxybate Sodium Oxybutyrate Sodium Oxychlorosene sodium ozagrel Sodium Ozagrel and Glucose Injection Sodium Ozagrel and Sodium Chloride Sodium Ozagrel and Sodium Chloride Injection sodium ozagrel for injection

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