| 单词 | difficult labor |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔labor〕Getting the job done will require many hours of difficult labor.要完成这项工作需要长时间的艰难劳作。韦氏高阶〔labor〕She had a difficult labor.她有过一次难产的经历。韦氏高阶 |
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