| 单词 | 二用 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔budget〕Two-thirds of their budget goes on labour costs.他们预算中的三分之二用于人力成本。麦克米伦高阶〔double〕He was good at the double attention.他善于一心二用。英汉大词典〔once〕You can't be doing two things at once.不能一心二用。柯林斯高阶〔serve two masters〕You cannot serve two masters.你不能一心二用。韦氏高阶 |
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